id	sid	tid	token	lemma	pos
cet-15609	1	1	doi	doi	NOUN
cet-15609	1	2	:	:	PUNCT
cet-15609	1	3	10.3303	10.3303	NUM
cet-15609	1	4	/	/	SYM
cet-15609	1	5	cet25119078	cet25119078	NOUN
cet-15609	1	6	paper	paper	NOUN
cet-15609	1	7	received	receive	VERB
cet-15609	1	8	:	:	PUNCT
cet-15609	1	9	15	15	NUM
cet-15609	1	10	june	june	PROPN
cet-15609	1	11	2025	2025	NUM
cet-15609	1	12	;	;	PUNCT
cet-15609	1	13	revised	revise	VERB
cet-15609	1	14	:	:	PUNCT
cet-15609	1	15	28	28	NUM
cet-15609	1	16	june	june	PROPN
cet-15609	1	17	2025	2025	NUM
cet-15609	1	18	;	;	PUNCT
cet-15609	1	19	accepted	accept	VERB
cet-15609	1	20	:	:	PUNCT
cet-15609	1	21	3	3	NUM
cet-15609	1	22	november	november	NOUN
cet-15609	1	23	2025	2025	NUM
cet-15609	1	24	please	please	INTJ
cet-15609	1	25	cite	cite	VERB
cet-15609	1	26	this	this	DET
cet-15609	1	27	article	article	NOUN
cet-15609	1	28	as	as	ADP
cet-15609	1	29	:	:	PUNCT
cet-15609	1	30	carluccio	carluccio	PROPN
cet-15609	1	31	l.m	l.m	PROPN
cet-15609	1	32	.	.	PROPN
cet-15609	1	33	,	,	PUNCT
cet-15609	1	34	gritti	gritti	NOUN
cet-15609	1	35	a.	a.	NOUN
cet-15609	1	36	,	,	PUNCT
cet-15609	1	37	maruca	maruca	PROPN
cet-15609	1	38	miceli	miceli	PROPN
cet-15609	1	39	m.	m.	NOUN
cet-15609	1	40	,	,	PUNCT
cet-15609	1	41	2025	2025	NUM
cet-15609	1	42	,	,	PUNCT
cet-15609	1	43	ensuring	ensure	VERB
cet-15609	1	44	safety	safety	NOUN
cet-15609	1	45	in	in	ADP
cet-15609	1	46	liquid	liquid	ADJ
cet-15609	1	47	hydrogen	hydrogen	NOUN
cet-15609	1	48	operations	operation	NOUN
cet-15609	1	49	:	:	PUNCT
cet-15609	1	50	understanding	understand	VERB
cet-15609	1	51	hazards	hazard	NOUN
cet-15609	1	52	and	and	CCONJ
cet-15609	1	53	mitigating	mitigate	VERB
cet-15609	1	54	risks	risk	NOUN
cet-15609	1	55	,	,	PUNCT
cet-15609	1	56	chemical	chemical	ADJ
cet-15609	1	57	engineering	engineering	NOUN
cet-15609	1	58	transactions	transaction	NOUN
cet-15609	1	59	,	,	PUNCT
cet-15609	1	60	119	119	NUM
cet-15609	1	61	,	,	PUNCT
cet-15609	1	62	463	463	NUM
cet-15609	1	63	-	-	SYM
cet-15609	1	64	468	468	NUM
cet-15609	1	65	doi:10.3303	doi:10.3303	NOUN
cet-15609	1	66	/	/	SYM
cet-15609	1	67	cet25119078	cet25119078	NOUN
cet-15609	1	68	chemical	chemical	PROPN
cet-15609	1	69	engineering	engineering	NOUN
cet-15609	1	70	transactions	transaction	NOUN
cet-15609	1	71	vol	vol	NOUN
cet-15609	1	72	.	.	PUNCT
cet-15609	2	1	119	119	NUM
cet-15609	2	2	,	,	PUNCT
cet-15609	2	3	2025	2025	NUM
cet-15609	2	4	a	a	DET
cet-15609	2	5	publication	publication	NOUN
cet-15609	2	6	of	of	ADP
cet-15609	2	7	the	the	DET
cet-15609	2	8	italian	italian	ADJ
cet-15609	2	9	association	association	NOUN
cet-15609	2	10	of	of	ADP
cet-15609	2	11	chemical	chemical	PROPN
cet-15609	2	12	engineering	engineering	NOUN
cet-15609	2	13	online	online	ADV
cet-15609	2	14	at	at	ADP
cet-15609	2	15	www.cetjournal.it	www.cetjournal.it	PROPN
cet-15609	2	16	guest	guest	NOUN
cet-15609	2	17	editors	editor	NOUN
cet-15609	2	18	:	:	PUNCT
cet-15609	2	19	david	david	PROPN
cet-15609	2	20	bogle	bogle	PROPN
cet-15609	2	21	,	,	PUNCT
cet-15609	2	22	flavio	flavio	PROPN
cet-15609	2	23	manenti	manenti	PROPN
cet-15609	2	24	,	,	PUNCT
cet-15609	2	25	piero	piero	PROPN
cet-15609	2	26	salatino	salatino	PROPN
cet-15609	2	27	copyright	copyright	NOUN
cet-15609	3	1	©	©	PROPN
cet-15609	3	2	2025	2025	NUM
cet-15609	3	3	,	,	PUNCT
cet-15609	3	4	aidic	aidic	ADJ
cet-15609	3	5	servizi	servizi	PROPN
cet-15609	3	6	s.r.l	s.r.l	NOUN
cet-15609	3	7	.	.	PUNCT
cet-15609	4	1	isbn	isbn	PROPN
cet-15609	4	2	979	979	NUM
cet-15609	4	3	-	-	SYM
cet-15609	4	4	12	12	NUM
cet-15609	4	5	-	-	PUNCT
cet-15609	4	6	81206	81206	NUM
cet-15609	4	7	-	-	PUNCT
cet-15609	4	8	20	20	NUM
cet-15609	4	9	-	-	SYM
cet-15609	4	10	5	5	NUM
cet-15609	4	11	;	;	PUNCT
cet-15609	4	12	issn	issn	PROPN
cet-15609	4	13	2283	2283	NUM
cet-15609	4	14	-	-	SYM
cet-15609	4	15	9216	9216	NUM
cet-15609	4	16	ensuring	ensure	VERB
cet-15609	4	17	safety	safety	NOUN
cet-15609	4	18	in	in	ADP
cet-15609	4	19	liquid	liquid	ADJ
cet-15609	4	20	hydrogen	hydrogen	NOUN
cet-15609	4	21	operations	operation	NOUN
cet-15609	4	22	:	:	PUNCT
cet-15609	4	23	understanding	understand	VERB
cet-15609	4	24	hazards	hazard	NOUN
cet-15609	4	25	and	and	CCONJ
cet-15609	4	26	mitigating	mitigate	VERB
cet-15609	4	27	risks	risk	NOUN
cet-15609	4	28	leonardo	leonardo	PROPN
cet-15609	4	29	michele	michele	PROPN
cet-15609	4	30	carluccio	carluccio	PROPN
cet-15609	4	31	*	*	PROPN
cet-15609	4	32	,	,	PUNCT
cet-15609	4	33	andrea	andrea	PROPN
cet-15609	4	34	gritti	gritti	PROPN
cet-15609	4	35	,	,	PUNCT
cet-15609	4	36	michele	michele	PROPN
cet-15609	4	37	maruca	maruca	PROPN
cet-15609	4	38	miceli	miceli	PROPN
cet-15609	4	39	dekra	dekra	PROPN
cet-15609	4	40	italia	italia	PROPN
cet-15609	4	41	s.r.l	s.r.l	NOUN
cet-15609	4	42	.	.	PUNCT
cet-15609	4	43	,	,	PUNCT
cet-15609	4	44	process	process	NOUN
cet-15609	4	45	safety	safety	NOUN
cet-15609	4	46	business	business	NOUN
cet-15609	4	47	unit	unit	NOUN
cet-15609	4	48	,	,	PUNCT
cet-15609	4	49	via	via	ADP
cet-15609	4	50	fratelli	fratelli	PROPN
cet-15609	4	51	gracchi	gracchi	PROPN
cet-15609	4	52	27	27	NUM
cet-15609	4	53	,	,	PUNCT
cet-15609	4	54	20122	20122	NUM
cet-15609	4	55	cinisello	cinisello	NOUN
cet-15609	4	56	balsamo	balsamo	NOUN
cet-15609	4	57	(	(	PUNCT
cet-15609	4	58	mi	mi	PROPN
cet-15609	4	59	)	)	PUNCT
cet-15609	4	60	,	,	PUNCT
cet-15609	4	61	italy	italy	PROPN
cet-15609	4	62	leonardomichele.carluccio@dekra.com	leonardomichele.carluccio@dekra.com	X
cet-15609	4	63	this	this	DET
cet-15609	4	64	paper	paper	NOUN
cet-15609	4	65	investigates	investigate	VERB
cet-15609	4	66	essential	essential	ADJ
cet-15609	4	67	safety	safety	NOUN
cet-15609	4	68	measures	measure	NOUN
cet-15609	4	69	for	for	ADP
cet-15609	4	70	handling	handle	VERB
cet-15609	4	71	liquid	liquid	ADJ
cet-15609	4	72	hydrogen	hydrogen	NOUN
cet-15609	4	73	(	(	PUNCT
cet-15609	4	74	lh₂	lh₂	PROPN
cet-15609	4	75	)	)	PUNCT
cet-15609	4	76	in	in	ADP
cet-15609	4	77	the	the	DET
cet-15609	4	78	process	process	NOUN
cet-15609	4	79	industry	industry	NOUN
cet-15609	4	80	,	,	PUNCT
cet-15609	4	81	emphasizing	emphasize	VERB
cet-15609	4	82	its	its	PRON
cet-15609	4	83	cryogenic	cryogenic	ADJ
cet-15609	4	84	properties	property	NOUN
cet-15609	4	85	,	,	PUNCT
cet-15609	4	86	flammability	flammability	NOUN
cet-15609	4	87	risks	risk	NOUN
cet-15609	4	88	,	,	PUNCT
cet-15609	4	89	and	and	CCONJ
cet-15609	4	90	material	material	NOUN
cet-15609	4	91	compatibility	compatibility	NOUN
cet-15609	4	92	liquid	liquid	ADJ
cet-15609	4	93	hydrogen	hydrogen	NOUN
cet-15609	4	94	is	be	AUX
cet-15609	4	95	stored	store	VERB
cet-15609	4	96	at	at	ADP
cet-15609	4	97	extremely	extremely	ADV
cet-15609	4	98	low	low	ADJ
cet-15609	4	99	temperatures	temperature	NOUN
cet-15609	4	100	(	(	PUNCT
cet-15609	4	101	−253	−253	ADJ
cet-15609	4	102	°	°	NOUN
cet-15609	4	103	c	c	NOUN
cet-15609	4	104	)	)	PUNCT
cet-15609	4	105	,	,	PUNCT
cet-15609	4	106	poses	pose	VERB
cet-15609	4	107	challenges	challenge	NOUN
cet-15609	4	108	such	such	ADJ
cet-15609	4	109	as	as	ADP
cet-15609	4	110	thermal	thermal	ADJ
cet-15609	4	111	contraction	contraction	NOUN
cet-15609	4	112	,	,	PUNCT
cet-15609	4	113	material	material	NOUN
cet-15609	4	114	embrittlement	embrittlement	NOUN
cet-15609	4	115	,	,	PUNCT
cet-15609	4	116	and	and	CCONJ
cet-15609	4	117	increased	increase	VERB
cet-15609	4	118	leakage	leakage	NOUN
cet-15609	4	119	risk	risk	NOUN
cet-15609	4	120	due	due	ADP
cet-15609	4	121	to	to	ADP
cet-15609	4	122	low	low	ADJ
cet-15609	4	123	viscosity	viscosity	NOUN
cet-15609	4	124	and	and	CCONJ
cet-15609	4	125	high	high	ADJ
cet-15609	4	126	permeability	permeability	NOUN
cet-15609	4	127	.	.	PUNCT
cet-15609	5	1	leaks	leak	NOUN
cet-15609	5	2	result	result	VERB
cet-15609	5	3	in	in	ADP
cet-15609	5	4	rapid	rapid	ADJ
cet-15609	5	5	vaporization	vaporization	NOUN
cet-15609	5	6	,	,	PUNCT
cet-15609	5	7	forming	form	VERB
cet-15609	5	8	highly	highly	ADV
cet-15609	5	9	flammable	flammable	ADJ
cet-15609	5	10	clouds	cloud	NOUN
cet-15609	5	11	with	with	ADP
cet-15609	5	12	a	a	DET
cet-15609	5	13	wide	wide	ADJ
cet-15609	5	14	flammability	flammability	NOUN
cet-15609	5	15	range	range	NOUN
cet-15609	5	16	(	(	PUNCT
cet-15609	5	17	4	4	NUM
cet-15609	5	18	-	-	SYM
cet-15609	5	19	75	75	NUM
cet-15609	5	20	%	%	NOUN
cet-15609	5	21	in	in	ADP
cet-15609	5	22	air	air	NOUN
cet-15609	5	23	)	)	PUNCT
cet-15609	5	24	,	,	PUNCT
cet-15609	5	25	leading	lead	VERB
cet-15609	5	26	to	to	ADP
cet-15609	5	27	explosion	explosion	NOUN
cet-15609	5	28	hazards	hazard	NOUN
cet-15609	5	29	if	if	SCONJ
cet-15609	5	30	ignition	ignition	NOUN
cet-15609	5	31	sources	source	NOUN
cet-15609	5	32	are	be	AUX
cet-15609	5	33	present	present	ADJ
cet-15609	5	34	.	.	PUNCT
cet-15609	6	1	the	the	DET
cet-15609	6	2	high	high	ADJ
cet-15609	6	3	expansion	expansion	NOUN
cet-15609	6	4	ratio	ratio	NOUN
cet-15609	6	5	upon	upon	SCONJ
cet-15609	6	6	vaporization	vaporization	NOUN
cet-15609	6	7	can	can	AUX
cet-15609	6	8	cause	cause	VERB
cet-15609	6	9	significant	significant	ADJ
cet-15609	6	10	pressure	pressure	NOUN
cet-15609	6	11	buildup	buildup	NOUN
cet-15609	6	12	,	,	PUNCT
cet-15609	6	13	risking	risk	VERB
cet-15609	6	14	vessel	vessel	NOUN
cet-15609	6	15	or	or	CCONJ
cet-15609	6	16	pipeline	pipeline	NOUN
cet-15609	6	17	rupture	rupture	NOUN
cet-15609	6	18	.	.	PUNCT
cet-15609	7	1	mitigation	mitigation	NOUN
cet-15609	7	2	strategies	strategy	NOUN
cet-15609	7	3	include	include	VERB
cet-15609	7	4	selecting	select	VERB
cet-15609	7	5	appropriate	appropriate	ADJ
cet-15609	7	6	materials	material	NOUN
cet-15609	7	7	,	,	PUNCT
cet-15609	7	8	as	as	SCONJ
cet-15609	7	9	many	many	ADJ
cet-15609	7	10	common	common	ADJ
cet-15609	7	11	materials	material	NOUN
cet-15609	7	12	become	become	VERB
cet-15609	7	13	brittle	brittle	ADJ
cet-15609	7	14	or	or	CCONJ
cet-15609	7	15	fail	fail	VERB
cet-15609	7	16	under	under	ADP
cet-15609	7	17	cryogenic	cryogenic	NOUN
cet-15609	7	18	conditions	condition	NOUN
cet-15609	7	19	.	.	PUNCT
cet-15609	8	1	austenitic	austenitic	ADJ
cet-15609	8	2	stainless	stainless	ADJ
cet-15609	8	3	steels	steel	NOUN
cet-15609	8	4	and	and	CCONJ
cet-15609	8	5	nickel	nickel	NOUN
cet-15609	8	6	-	-	PUNCT
cet-15609	8	7	based	base	VERB
cet-15609	8	8	alloys	alloy	NOUN
cet-15609	8	9	are	be	AUX
cet-15609	8	10	preferred	prefer	VERB
cet-15609	8	11	for	for	ADP
cet-15609	8	12	their	their	PRON
cet-15609	8	13	toughness	toughness	NOUN
cet-15609	8	14	and	and	CCONJ
cet-15609	8	15	corrosion	corrosion	NOUN
cet-15609	8	16	resistance	resistance	NOUN
cet-15609	8	17	,	,	PUNCT
cet-15609	8	18	while	while	SCONJ
cet-15609	8	19	cryogenic	cryogenic	ADJ
cet-15609	8	20	polymers	polymer	NOUN
cet-15609	8	21	offer	offer	VERB
cet-15609	8	22	flexibility	flexibility	NOUN
cet-15609	8	23	and	and	CCONJ
cet-15609	8	24	chemical	chemical	NOUN
cet-15609	8	25	inertness	inertness	NOUN
cet-15609	8	26	.	.	PUNCT
cet-15609	9	1	regular	regular	ADJ
cet-15609	9	2	monitoring	monitoring	NOUN
cet-15609	9	3	and	and	CCONJ
cet-15609	9	4	proactive	proactive	ADJ
cet-15609	9	5	maintenance	maintenance	NOUN
cet-15609	9	6	using	use	VERB
cet-15609	9	7	non	non	ADJ
cet-15609	9	8	-	-	ADJ
cet-15609	9	9	destructive	destructive	ADJ
cet-15609	9	10	testing	testing	NOUN
cet-15609	9	11	(	(	PUNCT
cet-15609	9	12	ndt	ndt	NOUN
cet-15609	9	13	)	)	PUNCT
cet-15609	9	14	techniques	technique	NOUN
cet-15609	9	15	,	,	PUNCT
cet-15609	9	16	such	such	ADJ
cet-15609	9	17	as	as	ADP
cet-15609	9	18	ultrasonic	ultrasonic	ADJ
cet-15609	9	19	inspection	inspection	NOUN
cet-15609	9	20	and	and	CCONJ
cet-15609	9	21	acoustic	acoustic	ADJ
cet-15609	9	22	emission	emission	NOUN
cet-15609	9	23	monitoring	monitoring	NOUN
cet-15609	9	24	,	,	PUNCT
cet-15609	9	25	are	be	AUX
cet-15609	9	26	crucial	crucial	ADJ
cet-15609	9	27	for	for	ADP
cet-15609	9	28	detecting	detect	VERB
cet-15609	9	29	material	material	ADJ
cet-15609	9	30	degradation	degradation	NOUN
cet-15609	9	31	and	and	CCONJ
cet-15609	9	32	ensuring	ensure	VERB
cet-15609	9	33	safe	safe	ADJ
cet-15609	9	34	operation	operation	NOUN
cet-15609	9	35	.	.	PUNCT
cet-15609	10	1	moreover	moreover	ADV
cet-15609	10	2	,	,	PUNCT
cet-15609	10	3	effective	effective	ADJ
cet-15609	10	4	hydrogen	hydrogen	NOUN
cet-15609	10	5	leak	leak	NOUN
cet-15609	10	6	detection	detection	NOUN
cet-15609	10	7	systems	system	NOUN
cet-15609	10	8	must	must	AUX
cet-15609	10	9	integrate	integrate	VERB
cet-15609	10	10	automated	automate	VERB
cet-15609	10	11	safety	safety	NOUN
cet-15609	10	12	mechanisms	mechanism	NOUN
cet-15609	10	13	like	like	ADP
cet-15609	10	14	rapid	rapid	ADJ
cet-15609	10	15	shutdown	shutdown	NOUN
cet-15609	10	16	valves	valve	NOUN
cet-15609	10	17	and	and	CCONJ
cet-15609	10	18	ventilation	ventilation	NOUN
cet-15609	10	19	controls	control	NOUN
cet-15609	10	20	to	to	PART
cet-15609	10	21	prevent	prevent	VERB
cet-15609	10	22	explosive	explosive	ADJ
cet-15609	10	23	scenarios	scenario	NOUN
cet-15609	10	24	.	.	PUNCT
cet-15609	11	1	proper	proper	ADJ
cet-15609	11	2	relief	relief	NOUN
cet-15609	11	3	devices	device	NOUN
cet-15609	11	4	and	and	CCONJ
cet-15609	11	5	strategic	strategic	ADJ
cet-15609	11	6	vent	vent	NOUN
cet-15609	11	7	outlet	outlet	NOUN
cet-15609	11	8	placement	placement	NOUN
cet-15609	11	9	are	be	AUX
cet-15609	11	10	necessary	necessary	ADJ
cet-15609	11	11	to	to	PART
cet-15609	11	12	manage	manage	VERB
cet-15609	11	13	pressure	pressure	NOUN
cet-15609	11	14	and	and	CCONJ
cet-15609	11	15	ensure	ensure	VERB
cet-15609	11	16	safe	safe	ADJ
cet-15609	11	17	gas	gas	NOUN
cet-15609	11	18	dispersion	dispersion	NOUN
cet-15609	11	19	,	,	PUNCT
cet-15609	11	20	leveraging	leverage	VERB
cet-15609	11	21	hydrogen	hydrogen	NOUN
cet-15609	11	22	's	's	PART
cet-15609	11	23	buoyancy	buoyancy	NOUN
cet-15609	11	24	to	to	PART
cet-15609	11	25	avoid	avoid	VERB
cet-15609	11	26	flammable	flammable	ADJ
cet-15609	11	27	pockets	pocket	NOUN
cet-15609	11	28	at	at	ADP
cet-15609	11	29	ground	ground	NOUN
cet-15609	11	30	level	level	NOUN
cet-15609	11	31	.	.	PUNCT
cet-15609	12	1	in	in	ADP
cet-15609	12	2	conclusion	conclusion	NOUN
cet-15609	12	3	,	,	PUNCT
cet-15609	12	4	understanding	understand	VERB
cet-15609	12	5	liquid	liquid	ADJ
cet-15609	12	6	hydrogen	hydrogen	NOUN
cet-15609	12	7	's	's	PART
cet-15609	12	8	behaviour	behaviour	NOUN
cet-15609	12	9	under	under	ADP
cet-15609	12	10	operational	operational	ADJ
cet-15609	12	11	conditions	condition	NOUN
cet-15609	12	12	and	and	CCONJ
cet-15609	12	13	implementing	implement	VERB
cet-15609	12	14	robust	robust	ADJ
cet-15609	12	15	safety	safety	NOUN
cet-15609	12	16	protocols	protocol	NOUN
cet-15609	12	17	are	be	AUX
cet-15609	12	18	critical	critical	ADJ
cet-15609	12	19	for	for	ADP
cet-15609	12	20	minimizing	minimize	VERB
cet-15609	12	21	risks	risk	NOUN
cet-15609	12	22	and	and	CCONJ
cet-15609	12	23	ensuring	ensure	VERB
cet-15609	12	24	safe	safe	ADJ
cet-15609	12	25	,	,	PUNCT
cet-15609	12	26	efficient	efficient	ADJ
cet-15609	12	27	operations	operation	NOUN
cet-15609	12	28	in	in	ADP
cet-15609	12	29	the	the	DET
cet-15609	12	30	process	process	NOUN
cet-15609	12	31	industry	industry	NOUN
cet-15609	12	32	,	,	PUNCT
cet-15609	12	33	protecting	protect	VERB
cet-15609	12	34	personnel	personnel	NOUN
cet-15609	12	35	,	,	PUNCT
cet-15609	12	36	equipment	equipment	NOUN
cet-15609	12	37	,	,	PUNCT
cet-15609	12	38	and	and	CCONJ
cet-15609	12	39	the	the	DET
cet-15609	12	40	environment	environment	NOUN
cet-15609	12	41	.	.	PUNCT
cet-15609	13	1	1	1	X
cet-15609	13	2	.	.	X
cet-15609	13	3	introduction	introduction	NOUN
cet-15609	13	4	liquid	liquid	ADJ
cet-15609	13	5	hydrogen	hydrogen	NOUN
cet-15609	13	6	represents	represent	VERB
cet-15609	13	7	one	one	NUM
cet-15609	13	8	of	of	ADP
cet-15609	13	9	the	the	DET
cet-15609	13	10	most	most	ADV
cet-15609	13	11	efficient	efficient	ADJ
cet-15609	13	12	solutions	solution	NOUN
cet-15609	13	13	for	for	ADP
cet-15609	13	14	storing	store	VERB
cet-15609	13	15	and	and	CCONJ
cet-15609	13	16	transporting	transport	VERB
cet-15609	13	17	large	large	ADJ
cet-15609	13	18	quantities	quantity	NOUN
cet-15609	13	19	of	of	ADP
cet-15609	13	20	this	this	DET
cet-15609	13	21	energy	energy	NOUN
cet-15609	13	22	carrier	carrier	NOUN
cet-15609	13	23	,	,	PUNCT
cet-15609	13	24	widely	widely	ADV
cet-15609	13	25	studied	study	VERB
cet-15609	13	26	for	for	ADP
cet-15609	13	27	the	the	DET
cet-15609	13	28	transition	transition	NOUN
cet-15609	13	29	to	to	ADP
cet-15609	13	30	a	a	DET
cet-15609	13	31	low	low	ADJ
cet-15609	13	32	-	-	PUNCT
cet-15609	13	33	carbon	carbon	NOUN
cet-15609	13	34	economy	economy	NOUN
cet-15609	13	35	.	.	PUNCT
cet-15609	14	1	due	due	ADP
cet-15609	14	2	to	to	ADP
cet-15609	14	3	its	its	PRON
cet-15609	14	4	high	high	ADJ
cet-15609	14	5	energy	energy	NOUN
cet-15609	14	6	density	density	NOUN
cet-15609	14	7	and	and	CCONJ
cet-15609	14	8	potential	potential	ADJ
cet-15609	14	9	applications	application	NOUN
cet-15609	14	10	in	in	ADP
cet-15609	14	11	strategic	strategic	ADJ
cet-15609	14	12	sectors	sector	NOUN
cet-15609	14	13	such	such	ADJ
cet-15609	14	14	as	as	ADP
cet-15609	14	15	transportation	transportation	NOUN
cet-15609	14	16	and	and	CCONJ
cet-15609	14	17	industry	industry	NOUN
cet-15609	14	18	,	,	PUNCT
cet-15609	14	19	many	many	ADJ
cet-15609	14	20	countries	country	NOUN
cet-15609	14	21	are	be	AUX
cet-15609	14	22	investing	invest	VERB
cet-15609	14	23	in	in	ADP
cet-15609	14	24	this	this	DET
cet-15609	14	25	technology	technology	NOUN
cet-15609	14	26	,	,	PUNCT
cet-15609	14	27	developing	develop	VERB
cet-15609	14	28	specific	specific	ADJ
cet-15609	14	29	regulations	regulation	NOUN
cet-15609	14	30	and	and	CCONJ
cet-15609	14	31	directives	directive	NOUN
cet-15609	14	32	to	to	PART
cet-15609	14	33	promote	promote	VERB
cet-15609	14	34	its	its	PRON
cet-15609	14	35	adoption	adoption	NOUN
cet-15609	14	36	.	.	PUNCT
cet-15609	15	1	for	for	ADP
cet-15609	15	2	large	large	ADJ
cet-15609	15	3	-	-	PUNCT
cet-15609	15	4	scale	scale	NOUN
cet-15609	15	5	applications	application	NOUN
cet-15609	15	6	,	,	PUNCT
cet-15609	15	7	such	such	ADJ
cet-15609	15	8	as	as	ADP
cet-15609	15	9	in	in	ADP
cet-15609	15	10	the	the	DET
cet-15609	15	11	energy	energy	NOUN
cet-15609	15	12	and	and	CCONJ
cet-15609	15	13	transportation	transportation	NOUN
cet-15609	15	14	sectors	sector	NOUN
cet-15609	15	15	,	,	PUNCT
cet-15609	15	16	low	low	ADJ
cet-15609	15	17	-	-	PUNCT
cet-15609	15	18	temperature	temperature	NOUN
cet-15609	15	19	storage	storage	NOUN
cet-15609	15	20	is	be	AUX
cet-15609	15	21	one	one	NUM
cet-15609	15	22	of	of	ADP
cet-15609	15	23	the	the	DET
cet-15609	15	24	most	most	ADV
cet-15609	15	25	promising	promising	ADJ
cet-15609	15	26	methods	method	NOUN
cet-15609	15	27	.	.	PUNCT
cet-15609	16	1	this	this	DET
cet-15609	16	2	approach	approach	NOUN
cet-15609	16	3	compensates	compensate	NOUN
cet-15609	16	4	for	for	ADP
cet-15609	16	5	hydrogen	hydrogen	NOUN
cet-15609	16	6	's	's	PART
cet-15609	16	7	very	very	ADV
cet-15609	16	8	low	low	ADJ
cet-15609	16	9	density	density	NOUN
cet-15609	16	10	by	by	ADP
cet-15609	16	11	drastically	drastically	ADV
cet-15609	16	12	reducing	reduce	VERB
cet-15609	16	13	its	its	PRON
cet-15609	16	14	volume	volume	NOUN
cet-15609	16	15	and	and	CCONJ
cet-15609	16	16	increasing	increase	VERB
cet-15609	16	17	its	its	PRON
cet-15609	16	18	energy	energy	NOUN
cet-15609	16	19	density	density	NOUN
cet-15609	16	20	.	.	PUNCT
cet-15609	17	1	however	however	ADV
cet-15609	17	2	,	,	PUNCT
cet-15609	17	3	maintaining	maintain	VERB
cet-15609	17	4	ultra	ultra	ADJ
cet-15609	17	5	-	-	ADJ
cet-15609	17	6	cryogenic	cryogenic	ADJ
cet-15609	17	7	temperatures	temperature	NOUN
cet-15609	17	8	poses	pose	VERB
cet-15609	17	9	significant	significant	ADJ
cet-15609	17	10	process	process	NOUN
cet-15609	17	11	safety	safety	NOUN
cet-15609	17	12	challenges	challenge	NOUN
cet-15609	17	13	(	(	PUNCT
cet-15609	17	14	that	that	PRON
cet-15609	17	15	will	will	AUX
cet-15609	17	16	be	be	AUX
cet-15609	17	17	analysed	analyse	VERB
cet-15609	17	18	in	in	ADP
cet-15609	17	19	the	the	DET
cet-15609	17	20	next	next	ADJ
cet-15609	17	21	chapters	chapter	NOUN
cet-15609	17	22	,	,	PUNCT
cet-15609	17	23	together	together	ADV
cet-15609	17	24	with	with	ADP
cet-15609	17	25	preventive	preventive	ADJ
cet-15609	17	26	and	and	CCONJ
cet-15609	17	27	protective	protective	ADJ
cet-15609	17	28	measures	measure	NOUN
cet-15609	17	29	)	)	PUNCT
cet-15609	17	30	,	,	PUNCT
cet-15609	17	31	which	which	PRON
cet-15609	17	32	can	can	AUX
cet-15609	17	33	be	be	AUX
cet-15609	17	34	categorized	categorize	VERB
cet-15609	17	35	as	as	SCONJ
cet-15609	17	36	follows	follow	VERB
cet-15609	17	37	:	:	PUNCT
cet-15609	17	38	cryogenic	cryogenic	NOUN
cet-15609	17	39	challenges	challenge	NOUN
cet-15609	17	40	:	:	PUNCT
cet-15609	17	41	•	•	NUM
cet-15609	17	42	material	material	NOUN
cet-15609	17	43	fragility	fragility	NOUN
cet-15609	17	44	:	:	PUNCT
cet-15609	17	45	at	at	ADP
cet-15609	17	46	such	such	ADJ
cet-15609	17	47	low	low	ADJ
cet-15609	17	48	temperatures	temperature	NOUN
cet-15609	17	49	,	,	PUNCT
cet-15609	17	50	many	many	ADJ
cet-15609	17	51	conventional	conventional	ADJ
cet-15609	17	52	materials	material	NOUN
cet-15609	17	53	become	become	VERB
cet-15609	17	54	brittle	brittle	ADJ
cet-15609	17	55	and	and	CCONJ
cet-15609	17	56	can	can	AUX
cet-15609	17	57	break	break	VERB
cet-15609	17	58	.	.	PUNCT
cet-15609	18	1	the	the	DET
cet-15609	18	2	use	use	NOUN
cet-15609	18	3	of	of	ADP
cet-15609	18	4	special	special	ADJ
cet-15609	18	5	alloys	alloy	NOUN
cet-15609	18	6	resistant	resistant	ADJ
cet-15609	18	7	to	to	ADP
cet-15609	18	8	extreme	extreme	ADJ
cet-15609	18	9	cold	cold	NOUN
cet-15609	18	10	is	be	AUX
cet-15609	18	11	essential	essential	ADJ
cet-15609	18	12	.	.	PUNCT
cet-15609	19	1	•	•	NUM
cet-15609	19	2	cold	cold	ADJ
cet-15609	19	3	burns	burn	NOUN
cet-15609	19	4	:	:	PUNCT
cet-15609	19	5	direct	direct	ADJ
cet-15609	19	6	contact	contact	NOUN
cet-15609	19	7	with	with	ADP
cet-15609	19	8	liquid	liquid	ADJ
cet-15609	19	9	hydrogen	hydrogen	NOUN
cet-15609	19	10	or	or	CCONJ
cet-15609	19	11	extremely	extremely	ADV
cet-15609	19	12	cold	cold	ADJ
cet-15609	19	13	surfaces	surface	NOUN
cet-15609	19	14	can	can	AUX
cet-15609	19	15	cause	cause	VERB
cet-15609	19	16	severe	severe	ADJ
cet-15609	19	17	cryogenic	cryogenic	NOUN
cet-15609	19	18	burns	burn	NOUN
cet-15609	19	19	to	to	ADP
cet-15609	19	20	skin	skin	NOUN
cet-15609	19	21	and	and	CCONJ
cet-15609	19	22	tissues	tissue	NOUN
cet-15609	19	23	.	.	PUNCT
cet-15609	20	1	•	•	NUM
cet-15609	20	2	volumetric	volumetric	NOUN
cet-15609	20	3	expansion	expansion	NOUN
cet-15609	20	4	:	:	PUNCT
cet-15609	20	5	during	during	ADP
cet-15609	20	6	heating	heating	NOUN
cet-15609	20	7	and	and	CCONJ
cet-15609	20	8	the	the	DET
cet-15609	20	9	transition	transition	NOUN
cet-15609	20	10	from	from	ADP
cet-15609	20	11	liquid	liquid	NOUN
cet-15609	20	12	to	to	ADP
cet-15609	20	13	gas	gas	NOUN
cet-15609	20	14	,	,	PUNCT
cet-15609	20	15	hydrogen	hydrogen	NOUN
cet-15609	20	16	increases	increase	NOUN
cet-15609	20	17	in	in	ADP
cet-15609	20	18	volume	volume	NOUN
cet-15609	20	19	by	by	ADP
cet-15609	20	20	about	about	ADV
cet-15609	20	21	850	850	NUM
cet-15609	20	22	times	time	NOUN
cet-15609	20	23	,	,	PUNCT
cet-15609	20	24	creating	create	VERB
cet-15609	20	25	the	the	DET
cet-15609	20	26	risk	risk	NOUN
cet-15609	20	27	of	of	ADP
cet-15609	20	28	high	high	ADJ
cet-15609	20	29	pressures	pressure	NOUN
cet-15609	20	30	in	in	ADP
cet-15609	20	31	tanks	tank	NOUN
cet-15609	20	32	if	if	SCONJ
cet-15609	20	33	not	not	PART
cet-15609	20	34	properly	properly	ADV
cet-15609	20	35	managed	manage	VERB
cet-15609	20	36	.	.	PUNCT
cet-15609	21	1	463	463	NUM
cet-15609	21	2	mailto:leonardomichele.carluccio@dekra.com	mailto:leonardomichele.carluccio@dekra.com	NOUN
cet-15609	21	3	leaks	leak	NOUN
cet-15609	21	4	and	and	CCONJ
cet-15609	21	5	dispersion	dispersion	NOUN
cet-15609	21	6	:	:	PUNCT
cet-15609	21	7	•	•	NOUN
cet-15609	21	8	boil	boil	NOUN
cet-15609	21	9	-	-	PUNCT
cet-15609	21	10	off	off	ADP
cet-15609	21	11	effect	effect	NOUN
cet-15609	21	12	:	:	PUNCT
cet-15609	21	13	even	even	ADV
cet-15609	21	14	with	with	ADP
cet-15609	21	15	efficient	efficient	ADJ
cet-15609	21	16	insulation	insulation	NOUN
cet-15609	21	17	,	,	PUNCT
cet-15609	21	18	some	some	DET
cet-15609	21	19	liquid	liquid	ADJ
cet-15609	21	20	hydrogen	hydrogen	NOUN
cet-15609	21	21	inevitably	inevitably	ADV
cet-15609	21	22	evaporates	evaporate	VERB
cet-15609	21	23	,	,	PUNCT
cet-15609	21	24	increasing	increase	VERB
cet-15609	21	25	pressure	pressure	NOUN
cet-15609	21	26	in	in	ADP
cet-15609	21	27	tanks	tank	NOUN
cet-15609	21	28	that	that	PRON
cet-15609	21	29	must	must	AUX
cet-15609	21	30	be	be	AUX
cet-15609	21	31	managed	manage	VERB
cet-15609	21	32	with	with	ADP
cet-15609	21	33	safe	safe	ADJ
cet-15609	21	34	venting	venting	NOUN
cet-15609	21	35	systems	system	NOUN
cet-15609	21	36	.	.	PUNCT
cet-15609	22	1	the	the	DET
cet-15609	22	2	resulting	result	VERB
cet-15609	22	3	gaseous	gaseous	ADJ
cet-15609	22	4	hydrogen	hydrogen	NOUN
cet-15609	22	5	can	can	AUX
cet-15609	22	6	increase	increase	VERB
cet-15609	22	7	risks	risk	NOUN
cet-15609	22	8	related	relate	VERB
cet-15609	22	9	to	to	ADP
cet-15609	22	10	material	material	NOUN
cet-15609	22	11	embrittlement	embrittlement	NOUN
cet-15609	22	12	and	and	CCONJ
cet-15609	22	13	leaks	leak	NOUN
cet-15609	22	14	.	.	PUNCT
cet-15609	23	1	low	low	ADJ
cet-15609	23	2	technological	technological	ADJ
cet-15609	23	3	maturity	maturity	NOUN
cet-15609	23	4	:	:	PUNCT
cet-15609	23	5	•	•	NUM
cet-15609	23	6	reliability	reliability	NOUN
cet-15609	23	7	of	of	ADP
cet-15609	23	8	safety	safety	NOUN
cet-15609	23	9	systems	system	NOUN
cet-15609	23	10	:	:	PUNCT
cet-15609	23	11	as	as	ADP
cet-15609	23	12	an	an	DET
cet-15609	23	13	evolving	evolve	VERB
cet-15609	23	14	technology	technology	NOUN
cet-15609	23	15	,	,	PUNCT
cet-15609	23	16	some	some	DET
cet-15609	23	17	monitoring	monitoring	NOUN
cet-15609	23	18	,	,	PUNCT
cet-15609	23	19	leak	leak	NOUN
cet-15609	23	20	detection	detection	NOUN
cet-15609	23	21	,	,	PUNCT
cet-15609	23	22	and	and	CCONJ
cet-15609	23	23	containment	containment	NOUN
cet-15609	23	24	systems	system	NOUN
cet-15609	23	25	may	may	AUX
cet-15609	23	26	not	not	PART
cet-15609	23	27	yet	yet	ADV
cet-15609	23	28	be	be	AUX
cet-15609	23	29	sufficiently	sufficiently	ADV
cet-15609	23	30	tested	test	VERB
cet-15609	23	31	on	on	ADP
cet-15609	23	32	a	a	DET
cet-15609	23	33	large	large	ADJ
cet-15609	23	34	scale	scale	NOUN
cet-15609	23	35	.	.	PUNCT
cet-15609	24	1	•	•	NUM
cet-15609	24	2	non	non	ADJ
cet-15609	24	3	-	-	ADJ
cet-15609	24	4	standardized	standardized	ADJ
cet-15609	24	5	emergency	emergency	NOUN
cet-15609	24	6	procedures	procedure	NOUN
cet-15609	24	7	:	:	PUNCT
cet-15609	24	8	globally	globally	ADV
cet-15609	24	9	,	,	PUNCT
cet-15609	24	10	there	there	PRON
cet-15609	24	11	are	be	VERB
cet-15609	24	12	still	still	ADV
cet-15609	24	13	few	few	ADJ
cet-15609	24	14	universally	universally	ADV
cet-15609	24	15	adopted	adopt	VERB
cet-15609	24	16	protocols	protocol	NOUN
cet-15609	24	17	for	for	ADP
cet-15609	24	18	managing	manage	VERB
cet-15609	24	19	emergencies	emergency	NOUN
cet-15609	24	20	related	relate	VERB
cet-15609	24	21	to	to	ADP
cet-15609	24	22	large	large	ADJ
cet-15609	24	23	liquid	liquid	ADJ
cet-15609	24	24	hydrogen	hydrogen	NOUN
cet-15609	24	25	storage	storage	NOUN
cet-15609	24	26	.	.	PUNCT
cet-15609	25	1	the	the	DET
cet-15609	25	2	main	main	ADJ
cet-15609	25	3	hazards	hazard	NOUN
cet-15609	25	4	associated	associate	VERB
cet-15609	25	5	with	with	ADP
cet-15609	25	6	hydrogen	hydrogen	NOUN
cet-15609	25	7	systems	system	NOUN
cet-15609	25	8	can	can	AUX
cet-15609	25	9	be	be	AUX
cet-15609	25	10	listed	list	VERB
cet-15609	25	11	and	and	CCONJ
cet-15609	25	12	prioritized	prioritize	VERB
cet-15609	25	13	as	as	ADP
cet-15609	25	14	follow	follow	NOUN
cet-15609	25	15	(	(	PUNCT
cet-15609	25	16	iso	iso	NOUN
cet-15609	25	17	/	/	SYM
cet-15609	25	18	tr	tr	VERB
cet-15609	25	19	15916:2015	15916:2015	NUM
cet-15609	25	20	):	):	PUNCT
cet-15609	25	21	flammability	flammability	NOUN
cet-15609	25	22	(	(	PUNCT
cet-15609	25	23	thermal	thermal	ADJ
cet-15609	25	24	effects	effect	NOUN
cet-15609	25	25	,	,	PUNCT
cet-15609	25	26	pressure	pressure	NOUN
cet-15609	25	27	effects	effect	NOUN
cet-15609	25	28	,	,	PUNCT
cet-15609	25	29	easy	easy	ADJ
cet-15609	25	30	ignitability	ignitability	NOUN
cet-15609	25	31	of	of	ADP
cet-15609	25	32	some	some	DET
cet-15609	25	33	mixtures	mixture	NOUN
cet-15609	25	34	)	)	PUNCT
cet-15609	25	35	,	,	PUNCT
cet-15609	25	36	small	small	ADJ
cet-15609	25	37	size	size	NOUN
cet-15609	25	38	of	of	ADP
cet-15609	25	39	the	the	DET
cet-15609	25	40	molecule	molecule	NOUN
cet-15609	25	41	(	(	PUNCT
cet-15609	25	42	low	low	ADJ
cet-15609	25	43	viscosity	viscosity	NOUN
cet-15609	25	44	,	,	PUNCT
cet-15609	25	45	high	high	ADJ
cet-15609	25	46	diffusion	diffusion	NOUN
cet-15609	25	47	rate	rate	NOUN
cet-15609	25	48	,	,	PUNCT
cet-15609	25	49	high	high	ADJ
cet-15609	25	50	buoyancy	buoyancy	NOUN
cet-15609	25	51	)	)	PUNCT
cet-15609	25	52	,	,	PUNCT
cet-15609	25	53	asphyxiation	asphyxiation	NOUN
cet-15609	25	54	hazards	hazard	NOUN
cet-15609	25	55	if	if	SCONJ
cet-15609	25	56	oxygen	oxygen	NOUN
cet-15609	25	57	is	be	AUX
cet-15609	25	58	replaced	replace	VERB
cet-15609	25	59	.	.	PUNCT
cet-15609	26	1	regarding	regard	VERB
cet-15609	26	2	the	the	DET
cet-15609	26	3	environmental	environmental	ADJ
cet-15609	26	4	effects	effect	NOUN
cet-15609	26	5	,	,	PUNCT
cet-15609	26	6	the	the	DET
cet-15609	26	7	impact	impact	NOUN
cet-15609	26	8	of	of	ADP
cet-15609	26	9	hydrogen	hydrogen	NOUN
cet-15609	26	10	gas	gas	NOUN
cet-15609	26	11	escaping	escape	VERB
cet-15609	26	12	into	into	ADP
cet-15609	26	13	the	the	DET
cet-15609	26	14	atmosphere	atmosphere	NOUN
cet-15609	26	15	,	,	PUNCT
cet-15609	26	16	e.g.	e.g.	ADV
cet-15609	26	17	,	,	PUNCT
cet-15609	26	18	due	due	ADP
cet-15609	26	19	to	to	ADP
cet-15609	26	20	boil	boil	VERB
cet-15609	26	21	-	-	PUNCT
cet-15609	26	22	off	off	ADP
cet-15609	26	23	gas	gas	NOUN
cet-15609	26	24	from	from	ADP
cet-15609	26	25	liquid	liquid	ADJ
cet-15609	26	26	storage	storage	NOUN
cet-15609	26	27	,	,	PUNCT
cet-15609	26	28	is	be	AUX
cet-15609	26	29	minimal	minimal	ADJ
cet-15609	26	30	.	.	PUNCT
cet-15609	27	1	under	under	ADP
cet-15609	27	2	atmospheric	atmospheric	ADJ
cet-15609	27	3	conditions	condition	NOUN
cet-15609	27	4	,	,	PUNCT
cet-15609	27	5	the	the	DET
cet-15609	27	6	thermal	thermal	ADJ
cet-15609	27	7	translational	translational	ADJ
cet-15609	27	8	velocity	velocity	NOUN
cet-15609	27	9	of	of	ADP
cet-15609	27	10	molecular	molecular	ADJ
cet-15609	27	11	hydrogen	hydrogen	NOUN
cet-15609	27	12	exceeds	exceed	VERB
cet-15609	27	13	the	the	DET
cet-15609	27	14	escape	escape	NOUN
cet-15609	27	15	velocity	velocity	NOUN
cet-15609	27	16	of	of	ADP
cet-15609	27	17	the	the	DET
cet-15609	27	18	earth	earth	NOUN
cet-15609	27	19	.	.	PUNCT
cet-15609	28	1	as	as	SCONJ
cet-15609	28	2	hydrogen	hydrogen	NOUN
cet-15609	28	3	ascends	ascend	NOUN
cet-15609	28	4	to	to	ADP
cet-15609	28	5	the	the	DET
cet-15609	28	6	upper	upper	ADJ
cet-15609	28	7	atmosphere	atmosphere	NOUN
cet-15609	28	8	,	,	PUNCT
cet-15609	28	9	it	it	PRON
cet-15609	28	10	will	will	AUX
cet-15609	28	11	either	either	CCONJ
cet-15609	28	12	oxidize	oxidize	VERB
cet-15609	28	13	to	to	PART
cet-15609	28	14	form	form	VERB
cet-15609	28	15	water	water	NOUN
cet-15609	28	16	,	,	PUNCT
cet-15609	28	17	react	react	VERB
cet-15609	28	18	with	with	ADP
cet-15609	28	19	pollutants	pollutant	NOUN
cet-15609	28	20	,	,	PUNCT
cet-15609	28	21	or	or	CCONJ
cet-15609	28	22	escape	escape	VERB
cet-15609	28	23	into	into	ADP
cet-15609	28	24	space	space	NOUN
cet-15609	28	25	.	.	PUNCT
cet-15609	29	1	2	2	X
cet-15609	29	2	.	.	X
cet-15609	29	3	design	design	VERB
cet-15609	29	4	the	the	DET
cet-15609	29	5	design	design	NOUN
cet-15609	29	6	of	of	ADP
cet-15609	29	7	an	an	DET
cet-15609	29	8	industrial	industrial	ADJ
cet-15609	29	9	plant	plant	NOUN
cet-15609	29	10	generally	generally	ADV
cet-15609	29	11	represents	represent	VERB
cet-15609	29	12	the	the	DET
cet-15609	29	13	first	first	ADJ
cet-15609	29	14	protective	protective	ADJ
cet-15609	29	15	barrier	barrier	NOUN
cet-15609	29	16	against	against	ADP
cet-15609	29	17	the	the	DET
cet-15609	29	18	hazards	hazard	NOUN
cet-15609	29	19	associated	associate	VERB
cet-15609	29	20	with	with	ADP
cet-15609	29	21	any	any	DET
cet-15609	29	22	chemical	chemical	NOUN
cet-15609	29	23	or	or	CCONJ
cet-15609	29	24	physical	physical	ADJ
cet-15609	29	25	process	process	NOUN
cet-15609	29	26	(	(	PUNCT
cet-15609	29	27	figure	figure	NOUN
cet-15609	29	28	1	1	NUM
cet-15609	29	29	)	)	PUNCT
cet-15609	29	30	.	.	PUNCT
cet-15609	30	1	a	a	DET
cet-15609	30	2	well	well	ADV
cet-15609	30	3	-	-	PUNCT
cet-15609	30	4	conceived	conceive	VERB
cet-15609	30	5	design	design	NOUN
cet-15609	30	6	can	can	AUX
cet-15609	30	7	prevent	prevent	VERB
cet-15609	30	8	accidents	accident	NOUN
cet-15609	30	9	,	,	PUNCT
cet-15609	30	10	reduce	reduce	VERB
cet-15609	30	11	risks	risk	NOUN
cet-15609	30	12	through	through	ADP
cet-15609	30	13	the	the	DET
cet-15609	30	14	adoption	adoption	NOUN
cet-15609	30	15	of	of	ADP
cet-15609	30	16	appropriate	appropriate	ADJ
cet-15609	30	17	technical	technical	ADJ
cet-15609	30	18	solutions	solution	NOUN
cet-15609	30	19	,	,	PUNCT
cet-15609	30	20	the	the	DET
cet-15609	30	21	integration	integration	NOUN
cet-15609	30	22	of	of	ADP
cet-15609	30	23	control	control	NOUN
cet-15609	30	24	systems	system	NOUN
cet-15609	30	25	,	,	PUNCT
cet-15609	30	26	the	the	DET
cet-15609	30	27	selection	selection	NOUN
cet-15609	30	28	of	of	ADP
cet-15609	30	29	materials	material	NOUN
cet-15609	30	30	capable	capable	ADJ
cet-15609	30	31	of	of	ADP
cet-15609	30	32	withstanding	withstand	VERB
cet-15609	30	33	extreme	extreme	ADJ
cet-15609	30	34	conditions	condition	NOUN
cet-15609	30	35	and	and	CCONJ
cet-15609	30	36	strategic	strategic	ADJ
cet-15609	30	37	facility	facility	NOUN
cet-15609	30	38	placement	placement	NOUN
cet-15609	30	39	based	base	VERB
cet-15609	30	40	on	on	ADP
cet-15609	30	41	risk	risk	NOUN
cet-15609	30	42	assessments	assessment	NOUN
cet-15609	30	43	(	(	PUNCT
cet-15609	30	44	carluccio	carluccio	NOUN
cet-15609	30	45	et	et	PROPN
cet-15609	30	46	al	al	PROPN
cet-15609	30	47	.	.	PROPN
cet-15609	30	48	,	,	PUNCT
cet-15609	30	49	2024	2024	NUM
cet-15609	30	50	)	)	PUNCT
cet-15609	30	51	.	.	PUNCT
cet-15609	31	1	the	the	DET
cet-15609	31	2	design	design	NOUN
cet-15609	31	3	must	must	AUX
cet-15609	31	4	meet	meet	VERB
cet-15609	31	5	numerous	numerous	ADJ
cet-15609	31	6	safety	safety	NOUN
cet-15609	31	7	requirements	requirement	NOUN
cet-15609	31	8	:	:	PUNCT
cet-15609	31	9	storing	store	VERB
cet-15609	31	10	liquid	liquid	ADJ
cet-15609	31	11	hydrogen	hydrogen	NOUN
cet-15609	31	12	at	at	ADP
cet-15609	31	13	extremely	extremely	ADV
cet-15609	31	14	low	low	ADJ
cet-15609	31	15	temperatures	temperature	NOUN
cet-15609	31	16	without	without	ADP
cet-15609	31	17	compromising	compromise	VERB
cet-15609	31	18	structural	structural	ADJ
cet-15609	31	19	integrity	integrity	NOUN
cet-15609	31	20	is	be	AUX
cet-15609	31	21	one	one	NUM
cet-15609	31	22	of	of	ADP
cet-15609	31	23	the	the	DET
cet-15609	31	24	main	main	ADJ
cet-15609	31	25	challenges	challenge	NOUN
cet-15609	31	26	faced	face	VERB
cet-15609	31	27	by	by	ADP
cet-15609	31	28	many	many	ADJ
cet-15609	31	29	researchers	researcher	NOUN
cet-15609	31	30	working	work	VERB
cet-15609	31	31	on	on	ADP
cet-15609	31	32	the	the	DET
cet-15609	31	33	ecological	ecological	ADJ
cet-15609	31	34	transition	transition	NOUN
cet-15609	31	35	and	and	CCONJ
cet-15609	31	36	beyond	beyond	ADP
cet-15609	31	37	.	.	PUNCT
cet-15609	32	1	in	in	ADP
cet-15609	32	2	addition	addition	NOUN
cet-15609	32	3	to	to	ADP
cet-15609	32	4	thermal	thermal	ADJ
cet-15609	32	5	effects	effect	NOUN
cet-15609	32	6	(	(	PUNCT
cet-15609	32	7	e.g.	e.g.	ADV
cet-15609	32	8	,	,	PUNCT
cet-15609	32	9	low	low	ADJ
cet-15609	32	10	temperature	temperature	NOUN
cet-15609	32	11	ductility	ductility	NOUN
cet-15609	32	12	,	,	PUNCT
cet-15609	32	13	thermal	thermal	ADJ
cet-15609	32	14	contraction	contraction	NOUN
cet-15609	32	15	)	)	PUNCT
cet-15609	32	16	,	,	PUNCT
cet-15609	32	17	mechanical	mechanical	ADJ
cet-15609	32	18	stresses	stress	NOUN
cet-15609	32	19	and	and	CCONJ
cet-15609	32	20	corrosion	corrosion	NOUN
cet-15609	32	21	contribute	contribute	NOUN
cet-15609	32	22	to	to	ADP
cet-15609	32	23	the	the	DET
cet-15609	32	24	alteration	alteration	NOUN
cet-15609	32	25	of	of	ADP
cet-15609	32	26	the	the	DET
cet-15609	32	27	storage	storage	NOUN
cet-15609	32	28	system	system	NOUN
cet-15609	32	29	's	's	PART
cet-15609	32	30	properties	property	NOUN
cet-15609	32	31	,	,	PUNCT
cet-15609	32	32	increasing	increase	VERB
cet-15609	32	33	the	the	DET
cet-15609	32	34	risk	risk	NOUN
cet-15609	32	35	of	of	ADP
cet-15609	32	36	leaks	leak	NOUN
cet-15609	32	37	.	.	PUNCT
cet-15609	33	1	the	the	DET
cet-15609	33	2	inherently	inherently	ADV
cet-15609	33	3	insidious	insidious	ADJ
cet-15609	33	4	nature	nature	NOUN
cet-15609	33	5	of	of	ADP
cet-15609	33	6	hydrogen	hydrogen	NOUN
cet-15609	33	7	makes	make	VERB
cet-15609	33	8	it	it	PRON
cet-15609	33	9	particularly	particularly	ADV
cet-15609	33	10	prone	prone	ADJ
cet-15609	33	11	to	to	ADP
cet-15609	33	12	localized	localized	ADJ
cet-15609	33	13	leaks	leak	NOUN
cet-15609	33	14	not	not	PART
cet-15609	33	15	only	only	ADV
cet-15609	33	16	near	near	ADP
cet-15609	33	17	known	know	VERB
cet-15609	33	18	points	point	NOUN
cet-15609	33	19	of	of	ADP
cet-15609	33	20	discontinuity	discontinuity	NOUN
cet-15609	33	21	(	(	PUNCT
cet-15609	33	22	flanged	flange	VERB
cet-15609	33	23	joints	joint	NOUN
cet-15609	33	24	,	,	PUNCT
cet-15609	33	25	valves	valve	NOUN
cet-15609	33	26	,	,	PUNCT
cet-15609	33	27	etc	etc	X
cet-15609	33	28	.	.	X
cet-15609	33	29	)	)	PUNCT
cet-15609	34	1	but	but	CCONJ
cet-15609	34	2	also	also	ADV
cet-15609	34	3	through	through	ADP
cet-15609	34	4	the	the	DET
cet-15609	34	5	material	material	NOUN
cet-15609	34	6	itself	itself	PRON
cet-15609	34	7	.	.	PUNCT
cet-15609	35	1	this	this	DET
cet-15609	35	2	process	process	NOUN
cet-15609	35	3	can	can	AUX
cet-15609	35	4	degenerate	degenerate	VERB
cet-15609	35	5	into	into	ADP
cet-15609	35	6	the	the	DET
cet-15609	35	7	formation	formation	NOUN
cet-15609	35	8	of	of	ADP
cet-15609	35	9	cracks	crack	NOUN
cet-15609	35	10	due	due	ADP
cet-15609	35	11	to	to	PART
cet-15609	35	12	lattice	lattice	NOUN
cet-15609	35	13	distortion	distortion	NOUN
cet-15609	35	14	caused	cause	VERB
cet-15609	35	15	by	by	ADP
cet-15609	35	16	the	the	DET
cet-15609	35	17	diffusion	diffusion	NOUN
cet-15609	35	18	of	of	ADP
cet-15609	35	19	hydrogen	hydrogen	NOUN
cet-15609	35	20	atoms	atom	NOUN
cet-15609	35	21	into	into	ADP
cet-15609	35	22	the	the	DET
cet-15609	35	23	metal	metal	NOUN
cet-15609	35	24	,	,	PUNCT
cet-15609	35	25	a	a	DET
cet-15609	35	26	phenomenon	phenomenon	NOUN
cet-15609	35	27	known	know	VERB
cet-15609	35	28	as	as	ADP
cet-15609	35	29	hydrogen	hydrogen	NOUN
cet-15609	35	30	embrittlement	embrittlement	NOUN
cet-15609	35	31	,	,	PUNCT
cet-15609	35	32	which	which	PRON
cet-15609	35	33	exhibits	exhibit	VERB
cet-15609	35	34	its	its	PRON
cet-15609	35	35	greatest	great	ADJ
cet-15609	35	36	aggressiveness	aggressiveness	NOUN
cet-15609	35	37	in	in	ADP
cet-15609	35	38	the	the	DET
cet-15609	35	39	storage	storage	NOUN
cet-15609	35	40	of	of	ADP
cet-15609	35	41	gaseous	gaseous	ADJ
cet-15609	35	42	hydrogen	hydrogen	NOUN
cet-15609	35	43	.	.	PUNCT
cet-15609	36	1	as	as	SCONJ
cet-15609	36	2	reported	report	VERB
cet-15609	36	3	in	in	ADP
cet-15609	36	4	the	the	DET
cet-15609	36	5	technical	technical	ADJ
cet-15609	36	6	reference	reference	NOUN
cet-15609	36	7	iso	iso	NOUN
cet-15609	36	8	/	/	PUNCT
cet-15609	36	9	tr	tr	VERB
cet-15609	36	10	15916:2015	15916:2015	NUM
cet-15609	36	11	,	,	PUNCT
cet-15609	36	12	the	the	DET
cet-15609	36	13	selection	selection	NOUN
cet-15609	36	14	of	of	ADP
cet-15609	36	15	a	a	DET
cet-15609	36	16	material	material	NOUN
cet-15609	36	17	that	that	PRON
cet-15609	36	18	is	be	AUX
cet-15609	36	19	suitable	suitable	ADJ
cet-15609	36	20	for	for	ADP
cet-15609	36	21	use	use	NOUN
cet-15609	36	22	in	in	ADP
cet-15609	36	23	a	a	DET
cet-15609	36	24	hydrogen	hydrogen	NOUN
cet-15609	36	25	system	system	NOUN
cet-15609	36	26	involves	involve	VERB
cet-15609	36	27	several	several	ADJ
cet-15609	36	28	factors	factor	NOUN
cet-15609	36	29	,	,	PUNCT
cet-15609	36	30	including	include	VERB
cet-15609	36	31	the	the	DET
cet-15609	36	32	following	following	NOUN
cet-15609	36	33	:	:	PUNCT
cet-15609	36	34	compatibility	compatibility	NOUN
cet-15609	36	35	with	with	ADP
cet-15609	36	36	adjoining	adjoining	ADJ
cet-15609	36	37	materials	material	NOUN
cet-15609	36	38	(	(	PUNCT
cet-15609	36	39	matching	match	VERB
cet-15609	36	40	properties	property	NOUN
cet-15609	36	41	under	under	ADP
cet-15609	36	42	changes	change	NOUN
cet-15609	36	43	in	in	ADP
cet-15609	36	44	temperature	temperature	NOUN
cet-15609	36	45	and	and	CCONJ
cet-15609	36	46	pressure	pressure	NOUN
cet-15609	36	47	,	,	PUNCT
cet-15609	36	48	for	for	ADP
cet-15609	36	49	example	example	NOUN
cet-15609	36	50	,	,	PUNCT
cet-15609	36	51	and	and	CCONJ
cet-15609	36	52	the	the	DET
cet-15609	36	53	effect	effect	NOUN
cet-15609	36	54	of	of	ADP
cet-15609	36	55	such	such	ADJ
cet-15609	36	56	changes	change	NOUN
cet-15609	36	57	on	on	ADP
cet-15609	36	58	the	the	DET
cet-15609	36	59	material	material	NOUN
cet-15609	36	60	’s	’s	PART
cet-15609	36	61	shape	shape	NOUN
cet-15609	36	62	and	and	CCONJ
cet-15609	36	63	dimensions	dimension	NOUN
cet-15609	36	64	)	)	PUNCT
cet-15609	37	1	o	o	NOUN
cet-15609	37	2	transition	transition	NOUN
cet-15609	37	3	from	from	ADP
cet-15609	37	4	ductile	ductile	NOUN
cet-15609	37	5	to	to	ADP
cet-15609	37	6	brittle	brittle	ADJ
cet-15609	37	7	behaviour	behaviour	NOUN
cet-15609	37	8	as	as	ADP
cet-15609	37	9	function	function	NOUN
cet-15609	37	10	of	of	ADP
cet-15609	37	11	temperature	temperature	NOUN
cet-15609	37	12	o	o	NOUN
cet-15609	37	13	modes	mode	NOUN
cet-15609	37	14	of	of	ADP
cet-15609	37	15	plastic	plastic	ADJ
cet-15609	37	16	deformation	deformation	NOUN
cet-15609	37	17	,	,	PUNCT
cet-15609	37	18	particularly	particularly	ADV
cet-15609	37	19	certain	certain	ADJ
cet-15609	37	20	unconventional	unconventional	ADJ
cet-15609	37	21	modes	mode	NOUN
cet-15609	37	22	encountered	encounter	VERB
cet-15609	37	23	at	at	ADP
cet-15609	37	24	very	very	ADV
cet-15609	37	25	low	low	ADJ
cet-15609	37	26	temperature	temperature	NOUN
cet-15609	37	27	o	o	NOUN
cet-15609	37	28	effects	effect	NOUN
cet-15609	37	29	of	of	ADP
cet-15609	37	30	metallurgical	metallurgical	ADJ
cet-15609	37	31	instability	instability	NOUN
cet-15609	37	32	and	and	CCONJ
cet-15609	37	33	phase	phase	NOUN
cet-15609	37	34	transformations	transformation	NOUN
cet-15609	37	35	in	in	ADP
cet-15609	37	36	the	the	DET
cet-15609	37	37	crystalline	crystalline	NOUN
cet-15609	37	38	structure	structure	NOUN
cet-15609	37	39	on	on	ADP
cet-15609	37	40	mechanical	mechanical	ADJ
cet-15609	37	41	and	and	CCONJ
cet-15609	37	42	elastic	elastic	ADJ
cet-15609	37	43	properties	property	NOUN
cet-15609	37	44	compatibility	compatibility	NOUN
cet-15609	37	45	with	with	ADP
cet-15609	37	46	the	the	DET
cet-15609	37	47	conditions	condition	NOUN
cet-15609	37	48	of	of	ADP
cet-15609	37	49	use	use	NOUN
cet-15609	37	50	(	(	PUNCT
cet-15609	37	51	effects	effect	NOUN
cet-15609	37	52	of	of	ADP
cet-15609	37	53	temperature	temperature	NOUN
cet-15609	37	54	and	and	CCONJ
cet-15609	37	55	pressure	pressure	NOUN
cet-15609	37	56	,	,	PUNCT
cet-15609	37	57	for	for	ADP
cet-15609	37	58	example	example	NOUN
cet-15609	37	59	,	,	PUNCT
cet-15609	37	60	on	on	ADP
cet-15609	37	61	ductility	ductility	NOUN
cet-15609	37	62	,	,	PUNCT
cet-15609	37	63	and	and	CCONJ
cet-15609	37	64	expansion	expansion	NOUN
cet-15609	37	65	/	/	SYM
cet-15609	37	66	contraction	contraction	NOUN
cet-15609	37	67	;	;	PUNCT
cet-15609	37	68	property	property	NOUN
cet-15609	37	69	changes	change	NOUN
cet-15609	37	70	associated	associate	VERB
cet-15609	37	71	with	with	ADP
cet-15609	37	72	changes	change	NOUN
cet-15609	37	73	in	in	ADP
cet-15609	37	74	operating	operating	NOUN
cet-15609	37	75	conditions	condition	NOUN
cet-15609	37	76	)	)	PUNCT
cet-15609	37	77	.	.	PUNCT
cet-15609	38	1	the	the	DET
cet-15609	38	2	suitability	suitability	NOUN
cet-15609	38	3	of	of	ADP
cet-15609	38	4	some	some	DET
cet-15609	38	5	commonly	commonly	ADV
cet-15609	38	6	used	use	VERB
cet-15609	38	7	materials	material	NOUN
cet-15609	38	8	is	be	AUX
cet-15609	38	9	reported	report	VERB
cet-15609	38	10	in	in	ADP
cet-15609	38	11	the	the	DET
cet-15609	38	12	table	table	NOUN
cet-15609	38	13	1	1	NUM
cet-15609	38	14	below	below	ADV
cet-15609	38	15	,	,	PUNCT
cet-15609	38	16	where	where	SCONJ
cet-15609	38	17	:	:	PUNCT
cet-15609	38	18	figure	figure	VERB
cet-15609	38	19	1	1	NUM
cet-15609	38	20	.	.	PUNCT
cet-15609	38	21	onion	onion	NOUN
cet-15609	38	22	model	model	NOUN
cet-15609	38	23	for	for	ADP
cet-15609	38	24	process	process	NOUN
cet-15609	38	25	safety	safety	NOUN
cet-15609	38	26	464	464	NUM
cet-15609	38	27	s	s	NOUN
cet-15609	38	28	:	:	PUNCT
cet-15609	38	29	suitable	suitable	ADJ
cet-15609	38	30	for	for	ADP
cet-15609	38	31	use	use	NOUN
cet-15609	38	32	ns	ns	NUM
cet-15609	38	33	:	:	PUNCT
cet-15609	38	34	not	not	PART
cet-15609	38	35	suitable	suitable	ADJ
cet-15609	38	36	for	for	ADP
cet-15609	38	37	use	use	NOUN
cet-15609	38	38	e	e	NOUN
cet-15609	38	39	:	:	PUNCT
cet-15609	38	40	evaluation	evaluation	NOUN
cet-15609	38	41	is	be	AUX
cet-15609	38	42	needed	need	VERB
cet-15609	38	43	to	to	PART
cet-15609	38	44	determine	determine	VERB
cet-15609	38	45	if	if	SCONJ
cet-15609	38	46	the	the	DET
cet-15609	38	47	material	material	NOUN
cet-15609	38	48	is	be	AUX
cet-15609	38	49	suitable	suitable	ADJ
cet-15609	38	50	for	for	ADP
cet-15609	38	51	the	the	DET
cet-15609	38	52	use	use	NOUN
cet-15609	38	53	conditions	condition	NOUN
cet-15609	38	54	furthermore	furthermore	ADV
cet-15609	38	55	,	,	PUNCT
cet-15609	38	56	care	care	NOUN
cet-15609	38	57	should	should	AUX
cet-15609	38	58	be	be	AUX
cet-15609	38	59	taken	take	VERB
cet-15609	38	60	when	when	SCONJ
cet-15609	38	61	tanks	tank	NOUN
cet-15609	38	62	containing	contain	VERB
cet-15609	38	63	liquid	liquid	ADJ
cet-15609	38	64	h2	h2	NOUN
cet-15609	38	65	are	be	AUX
cet-15609	38	66	almost	almost	ADV
cet-15609	38	67	empty	empty	ADJ
cet-15609	38	68	,	,	PUNCT
cet-15609	38	69	since	since	SCONJ
cet-15609	38	70	the	the	DET
cet-15609	38	71	upper	upper	ADJ
cet-15609	38	72	part	part	NOUN
cet-15609	38	73	could	could	AUX
cet-15609	38	74	be	be	AUX
cet-15609	38	75	worm	worm	NOUN
cet-15609	38	76	.	.	PUNCT
cet-15609	39	1	in	in	ADP
cet-15609	39	2	this	this	DET
cet-15609	39	3	case	case	NOUN
cet-15609	39	4	,	,	PUNCT
cet-15609	39	5	the	the	DET
cet-15609	39	6	column	column	NOUN
cet-15609	39	7	of	of	ADP
cet-15609	39	8	gaseous	gaseous	ADJ
cet-15609	39	9	hydrogen	hydrogen	NOUN
cet-15609	39	10	service	service	NOUN
cet-15609	39	11	applies	apply	VERB
cet-15609	39	12	instead	instead	ADV
cet-15609	39	13	of	of	ADP
cet-15609	39	14	liquid	liquid	ADJ
cet-15609	39	15	hydrogen	hydrogen	NOUN
cet-15609	39	16	service	service	NOUN
cet-15609	39	17	table	table	NOUN
cet-15609	39	18	1	1	NUM
cet-15609	39	19	.	.	PUNCT
cet-15609	40	1	suitability	suitability	NOUN
cet-15609	40	2	of	of	ADP
cet-15609	40	3	some	some	DET
cet-15609	40	4	selected	select	VERB
cet-15609	40	5	materials	material	NOUN
cet-15609	40	6	for	for	ADP
cet-15609	40	7	liquid	liquid	ADJ
cet-15609	40	8	hydrogen	hydrogen	NOUN
cet-15609	40	9	service	service	NOUN
cet-15609	40	10	(	(	PUNCT
cet-15609	40	11	table	table	NOUN
cet-15609	40	12	c.2	c.2	PROPN
cet-15609	40	13	iso	iso	NOUN
cet-15609	40	14	/	/	PUNCT
cet-15609	40	15	tr	tr	NOUN
cet-15609	40	16	15916:2015	15916:2015	NUM
cet-15609	40	17	)	)	PUNCT
cet-15609	40	18	material	material	ADJ
cet-15609	40	19	gaseous	gaseous	ADJ
cet-15609	40	20	hydrogen	hydrogen	NOUN
cet-15609	40	21	service	service	NOUN
cet-15609	40	22	liquid	liquid	ADJ
cet-15609	40	23	hydrogen	hydrogen	NOUN
cet-15609	40	24	service	service	NOUN
cet-15609	40	25	remarks	remark	VERB
cet-15609	40	26	metals	metal	NOUN
cet-15609	40	27	aluminium	aluminium	NOUN
cet-15609	40	28	and	and	CCONJ
cet-15609	40	29	its	its	PRON
cet-15609	40	30	alloys	alloy	NOUN
cet-15609	40	31	s	s	PART
cet-15609	40	32	s	s	AUX
cet-15609	40	33	negligibly	negligibly	ADV
cet-15609	40	34	susceptible	susceptible	ADJ
cet-15609	40	35	to	to	ADP
cet-15609	40	36	hydrogen	hydrogen	NOUN
cet-15609	40	37	embrittlement	embrittlement	NOUN
cet-15609	40	38	copper	copper	NOUN
cet-15609	40	39	and	and	CCONJ
cet-15609	40	40	its	its	PRON
cet-15609	40	41	alloys	alloy	NOUN
cet-15609	40	42	s	s	PART
cet-15609	40	43	s	s	X
cet-15609	40	44	negligibly	negligibly	ADV
cet-15609	40	45	susceptible	susceptible	ADJ
cet-15609	40	46	to	to	ADP
cet-15609	40	47	hydrogen	hydrogen	NOUN
cet-15609	40	48	embrittlement	embrittlement	NOUN
cet-15609	40	49	iron	iron	NOUN
cet-15609	40	50	,	,	PUNCT
cet-15609	40	51	cast	cast	NOUN
cet-15609	40	52	,	,	PUNCT
cet-15609	40	53	grey	grey	NOUN
cet-15609	40	54	,	,	PUNCT
cet-15609	40	55	ductile	ductile	NOUN
cet-15609	40	56	ns	ns	NUM
cet-15609	40	57	ns	ns	NOUN
cet-15609	40	58	not	not	PART
cet-15609	40	59	permitted	permit	VERB
cet-15609	40	60	by	by	ADP
cet-15609	40	61	relevant	relevant	ADJ
cet-15609	40	62	regulations	regulation	NOUN
cet-15609	40	63	and	and	CCONJ
cet-15609	40	64	standards	standard	NOUN
cet-15609	40	65	nickel	nickel	NOUN
cet-15609	40	66	and	and	CCONJ
cet-15609	40	67	its	its	PRON
cet-15609	40	68	alloys	alloy	NOUN
cet-15609	40	69	e	e	NOUN
cet-15609	40	70	e	e	NOUN
cet-15609	40	71	evaluation	evaluation	NOUN
cet-15609	40	72	needed	need	VERB
cet-15609	40	73	.	.	PUNCT
cet-15609	41	1	susceptible	susceptible	ADJ
cet-15609	41	2	to	to	ADP
cet-15609	41	3	hydrogen	hydrogen	NOUN
cet-15609	41	4	embrittlement	embrittlement	NOUN
cet-15609	41	5	steel	steel	NOUN
cet-15609	41	6	,	,	PUNCT
cet-15609	41	7	austenitic	austenitic	ADJ
cet-15609	41	8	stainless	stainless	ADJ
cet-15609	41	9	with	with	ADP
cet-15609	41	10	>	>	SYM
cet-15609	41	11	7	7	NUM
cet-15609	41	12	%	%	NOUN
cet-15609	41	13	nickel	nickel	NOUN
cet-15609	41	14	(	(	PUNCT
cet-15609	41	15	304	304	NUM
cet-15609	41	16	,	,	PUNCT
cet-15609	41	17	304l	304l	NUM
cet-15609	41	18	,	,	PUNCT
cet-15609	41	19	308	308	NUM
cet-15609	41	20	,	,	PUNCT
cet-15609	41	21	316	316	NUM
cet-15609	41	22	,	,	PUNCT
cet-15609	41	23	321	321	NUM
cet-15609	41	24	,	,	PUNCT
cet-15609	41	25	347	347	NUM
cet-15609	41	26	)	)	PUNCT
cet-15609	41	27	e	e	NOUN
cet-15609	41	28	e	e	NOUN
cet-15609	41	29	may	may	AUX
cet-15609	41	30	make	make	VERB
cet-15609	41	31	martensitic	martensitic	ADJ
cet-15609	41	32	conversion	conversion	NOUN
cet-15609	41	33	if	if	SCONJ
cet-15609	41	34	stressed	stress	VERB
cet-15609	41	35	above	above	ADP
cet-15609	41	36	yield	yield	NOUN
cet-15609	41	37	point	point	NOUN
cet-15609	41	38	at	at	ADP
cet-15609	41	39	low	low	ADJ
cet-15609	41	40	temperature	temperature	NOUN
cet-15609	41	41	steel	steel	NOUN
cet-15609	41	42	,	,	PUNCT
cet-15609	41	43	carbon	carbon	NOUN
cet-15609	41	44	(	(	PUNCT
cet-15609	41	45	such	such	ADJ
cet-15609	41	46	as	as	ADP
cet-15609	41	47	1020	1020	NUM
cet-15609	41	48	and	and	CCONJ
cet-15609	41	49	1042	1042	NUM
cet-15609	41	50	)	)	PUNCT
cet-15609	42	1	e	e	NOUN
cet-15609	42	2	ns	ns	NUM
cet-15609	42	3	evaluation	evaluation	NOUN
cet-15609	42	4	needed	need	VERB
cet-15609	42	5	.	.	PUNCT
cet-15609	43	1	susceptible	susceptible	ADJ
cet-15609	43	2	to	to	ADP
cet-15609	43	3	hydrogen	hydrogen	NOUN
cet-15609	43	4	embrittlement	embrittlement	NOUN
cet-15609	43	5	.	.	PUNCT
cet-15609	44	1	too	too	ADV
cet-15609	44	2	brittle	brittle	ADJ
cet-15609	44	3	for	for	ADP
cet-15609	44	4	cryogenic	cryogenic	NOUN
cet-15609	44	5	services	service	NOUN
cet-15609	44	6	steel	steel	NOUN
cet-15609	44	7	,	,	PUNCT
cet-15609	44	8	low	low	ADJ
cet-15609	44	9	alloy	alloy	NOUN
cet-15609	44	10	(	(	PUNCT
cet-15609	44	11	such	such	ADJ
cet-15609	44	12	as	as	ADP
cet-15609	44	13	4140	4140	NUM
cet-15609	44	14	)	)	PUNCT
cet-15609	45	1	e	e	NOUN
cet-15609	45	2	ns	ns	NUM
cet-15609	45	3	evaluation	evaluation	NOUN
cet-15609	45	4	needed	need	VERB
cet-15609	45	5	.	.	PUNCT
cet-15609	46	1	susceptible	susceptible	ADJ
cet-15609	46	2	to	to	ADP
cet-15609	46	3	hydrogen	hydrogen	NOUN
cet-15609	46	4	embrittlement	embrittlement	NOUN
cet-15609	46	5	.	.	PUNCT
cet-15609	47	1	too	too	ADV
cet-15609	47	2	brittle	brittle	ADJ
cet-15609	47	3	for	for	ADP
cet-15609	47	4	cryogenic	cryogenic	NOUN
cet-15609	47	5	services	service	NOUN
cet-15609	47	6	steel	steel	NOUN
cet-15609	47	7	,	,	PUNCT
cet-15609	47	8	martensitic	martensitic	ADJ
cet-15609	47	9	stainless	stainless	ADJ
cet-15609	47	10	(	(	PUNCT
cet-15609	47	11	such	such	ADJ
cet-15609	47	12	as	as	ADP
cet-15609	47	13	410	410	NUM
cet-15609	47	14	and	and	CCONJ
cet-15609	47	15	440c	440c	PROPN
cet-15609	47	16	)	)	PUNCT
cet-15609	47	17	e	e	NOUN
cet-15609	47	18	e	e	NOUN
cet-15609	47	19	evaluation	evaluation	NOUN
cet-15609	47	20	needed	need	VERB
cet-15609	47	21	.	.	PUNCT
cet-15609	48	1	susceptible	susceptible	ADJ
cet-15609	48	2	to	to	ADP
cet-15609	48	3	hydrogen	hydrogen	NOUN
cet-15609	48	4	embrittlement	embrittlement	NOUN
cet-15609	48	5	steel	steel	NOUN
cet-15609	48	6	,	,	PUNCT
cet-15609	48	7	nickel	nickel	NOUN
cet-15609	48	8	(	(	PUNCT
cet-15609	48	9	such	such	ADJ
cet-15609	48	10	as	as	ADP
cet-15609	48	11	2,25	2,25	NUM
cet-15609	48	12	;	;	PUNCT
cet-15609	48	13	3,5	3,5	NUM
cet-15609	48	14	;	;	PUNCT
cet-15609	48	15	5	5	NUM
cet-15609	48	16	and	and	CCONJ
cet-15609	48	17	9	9	NUM
cet-15609	48	18	%	%	NOUN
cet-15609	48	19	ni	ni	PROPN
cet-15609	48	20	)	)	PUNCT
cet-15609	48	21	e	e	NOUN
cet-15609	48	22	ns	ns	NUM
cet-15609	48	23	ductility	ductility	NOUN
cet-15609	48	24	lost	lose	VERB
cet-15609	48	25	at	at	ADP
cet-15609	48	26	liquid	liquid	ADJ
cet-15609	48	27	hydrogen	hydrogen	NOUN
cet-15609	48	28	temperature	temperature	NOUN
cet-15609	48	29	titanium	titanium	NOUN
cet-15609	48	30	and	and	CCONJ
cet-15609	48	31	its	its	PRON
cet-15609	48	32	alloys	alloy	NOUN
cet-15609	48	33	e	e	NOUN
cet-15609	48	34	e	e	NOUN
cet-15609	48	35	evaluation	evaluation	NOUN
cet-15609	48	36	needed	need	VERB
cet-15609	48	37	.	.	PUNCT
cet-15609	49	1	susceptible	susceptible	ADJ
cet-15609	49	2	to	to	ADP
cet-15609	49	3	hydrogen	hydrogen	NOUN
cet-15609	49	4	embrittlement	embrittlement	NOUN
cet-15609	49	5	nonmetals	nonmetal	NOUN
cet-15609	49	6	asbestos	asbestos	NOUN
cet-15609	49	7	impregnated	impregnate	VERB
cet-15609	49	8	with	with	ADP
cet-15609	49	9	polytetrafluoroethylene	polytetrafluoroethylene	NOUN
cet-15609	49	10	(	(	PUNCT
cet-15609	49	11	ptfe	ptfe	NOUN
cet-15609	49	12	)	)	PUNCT
cet-15609	49	13	s	s	PART
cet-15609	49	14	s	s	NOUN
cet-15609	49	15	avoid	avoid	VERB
cet-15609	49	16	use	use	NOUN
cet-15609	49	17	because	because	SCONJ
cet-15609	49	18	of	of	ADP
cet-15609	49	19	carcinogenic	carcinogenic	ADJ
cet-15609	49	20	hazard	hazard	NOUN
cet-15609	49	21	chloroprene	chloroprene	NOUN
cet-15609	49	22	rubber	rubber	NOUN
cet-15609	49	23	(	(	PUNCT
cet-15609	49	24	polychloroprene	polychloroprene	NOUN
cet-15609	49	25	)	)	PUNCT
cet-15609	49	26	s	s	PART
cet-15609	49	27	ns	ns	NUM
cet-15609	49	28	too	too	ADV
cet-15609	49	29	brittle	brittle	ADJ
cet-15609	49	30	for	for	ADP
cet-15609	49	31	cryogenic	cryogenic	NOUN
cet-15609	49	32	services	service	NOUN
cet-15609	49	33	polyester	polyester	NOUN
cet-15609	49	34	fibre	fibre	NOUN
cet-15609	49	35	(	(	PUNCT
cet-15609	49	36	dacron	dacron	NOUN
cet-15609	49	37	)	)	PUNCT
cet-15609	49	38	s	s	VERB
cet-15609	49	39	ns	ns	ADJ
cet-15609	49	40	too	too	ADV
cet-15609	49	41	brittle	brittle	ADJ
cet-15609	49	42	for	for	ADP
cet-15609	49	43	cryogenic	cryogenic	ADJ
cet-15609	49	44	services	service	NOUN
cet-15609	49	45	fluorocarbon	fluorocarbon	NOUN
cet-15609	49	46	rubber	rubber	NOUN
cet-15609	49	47	(	(	PUNCT
cet-15609	49	48	viton	viton	NOUN
cet-15609	49	49	)	)	PUNCT
cet-15609	50	1	e	e	NOUN
cet-15609	50	2	ns	ns	VERB
cet-15609	50	3	too	too	ADV
cet-15609	50	4	brittle	brittle	ADJ
cet-15609	50	5	for	for	ADP
cet-15609	50	6	cryogenic	cryogenic	NOUN
cet-15609	50	7	services	service	NOUN
cet-15609	50	8	polyester	polyester	NOUN
cet-15609	50	9	film	film	NOUN
cet-15609	50	10	(	(	PUNCT
cet-15609	50	11	mylar	mylar	NOUN
cet-15609	50	12	)	)	PUNCT
cet-15609	50	13	s	s	PART
cet-15609	50	14	ns	ns	NUM
cet-15609	50	15	too	too	ADV
cet-15609	50	16	brittle	brittle	ADJ
cet-15609	50	17	for	for	ADP
cet-15609	50	18	cryogenic	cryogenic	NOUN
cet-15609	50	19	services	service	NOUN
cet-15609	50	20	nitrile	nitrile	ADV
cet-15609	50	21	(	(	PUNCT
cet-15609	50	22	buna	buna	PROPN
cet-15609	50	23	-	-	PUNCT
cet-15609	50	24	n	n	CCONJ
cet-15609	50	25	)	)	PUNCT
cet-15609	50	26	s	s	PART
cet-15609	50	27	ns	ns	ADJ
cet-15609	50	28	too	too	ADV
cet-15609	50	29	brittle	brittle	ADJ
cet-15609	50	30	for	for	ADP
cet-15609	50	31	cryogenic	cryogenic	NOUN
cet-15609	50	32	services	service	NOUN
cet-15609	50	33	polyamides	polyamide	NOUN
cet-15609	50	34	(	(	PUNCT
cet-15609	50	35	nylon	nylon	NOUN
cet-15609	50	36	)	)	PUNCT
cet-15609	50	37	s	s	PART
cet-15609	50	38	ns	ns	ADJ
cet-15609	50	39	too	too	ADV
cet-15609	50	40	brittle	brittle	ADJ
cet-15609	50	41	for	for	ADP
cet-15609	50	42	cryogenic	cryogenic	NOUN
cet-15609	50	43	services	service	NOUN
cet-15609	50	44	polychlorotrifluoroethylene	polychlorotrifluoroethylene	NOUN
cet-15609	50	45	(	(	PUNCT
cet-15609	50	46	kel	kel	NOUN
cet-15609	50	47	-	-	PUNCT
cet-15609	50	48	f	f	PROPN
cet-15609	50	49	)	)	PUNCT
cet-15609	50	50	s	s	PART
cet-15609	50	51	s	s	NOUN
cet-15609	50	52	polytetrafluoroethylene	polytetrafluoroethylene	NOUN
cet-15609	50	53	(	(	PUNCT
cet-15609	50	54	ptfe	ptfe	NOUN
cet-15609	50	55	)	)	PUNCT
cet-15609	50	56	s	s	PART
cet-15609	50	57	s	s	NOUN
cet-15609	50	58	furthermore	furthermore	ADV
cet-15609	50	59	,	,	PUNCT
cet-15609	50	60	conducting	conduct	VERB
cet-15609	50	61	non	non	ADJ
cet-15609	50	62	-	-	ADJ
cet-15609	50	63	destructive	destructive	ADJ
cet-15609	50	64	testing	testing	NOUN
cet-15609	50	65	(	(	PUNCT
cet-15609	50	66	ndt	ndt	PROPN
cet-15609	50	67	)	)	PUNCT
cet-15609	50	68	on	on	ADP
cet-15609	50	69	equipment	equipment	NOUN
cet-15609	50	70	containing	contain	VERB
cet-15609	50	71	liquid	liquid	ADJ
cet-15609	50	72	hydrogen	hydrogen	NOUN
cet-15609	50	73	is	be	AUX
cet-15609	50	74	crucial	crucial	ADJ
cet-15609	50	75	:	:	PUNCT
cet-15609	50	76	ndt	ndt	PROPN
cet-15609	50	77	helps	helps	AUX
cet-15609	50	78	identify	identify	VERB
cet-15609	50	79	potential	potential	ADJ
cet-15609	50	80	defects	defect	NOUN
cet-15609	50	81	and	and	CCONJ
cet-15609	50	82	weaknesses	weakness	NOUN
cet-15609	50	83	in	in	ADP
cet-15609	50	84	materials	material	NOUN
cet-15609	50	85	and	and	CCONJ
cet-15609	50	86	welds	weld	NOUN
cet-15609	50	87	without	without	ADP
cet-15609	50	88	causing	cause	VERB
cet-15609	50	89	damage	damage	NOUN
cet-15609	50	90	,	,	PUNCT
cet-15609	50	91	ensuring	ensure	VERB
cet-15609	50	92	the	the	DET
cet-15609	50	93	integrity	integrity	NOUN
cet-15609	50	94	and	and	CCONJ
cet-15609	50	95	reliability	reliability	NOUN
cet-15609	50	96	of	of	ADP
cet-15609	50	97	the	the	DET
cet-15609	50	98	equipment	equipment	NOUN
cet-15609	50	99	.	.	PUNCT
cet-15609	51	1	this	this	PRON
cet-15609	51	2	is	be	AUX
cet-15609	51	3	particularly	particularly	ADV
cet-15609	51	4	important	important	ADJ
cet-15609	51	5	for	for	ADP
cet-15609	51	6	cryogenic	cryogenic	NOUN
cet-15609	51	7	systems	system	NOUN
cet-15609	51	8	,	,	PUNCT
cet-15609	51	9	as	as	SCONJ
cet-15609	51	10	any	any	DET
cet-15609	51	11	failure	failure	NOUN
cet-15609	51	12	could	could	AUX
cet-15609	51	13	lead	lead	VERB
cet-15609	51	14	to	to	ADP
cet-15609	51	15	catastrophic	catastrophic	ADJ
cet-15609	51	16	leaks	leak	NOUN
cet-15609	51	17	and	and	CCONJ
cet-15609	51	18	consequent	consequent	ADJ
cet-15609	51	19	fire	fire	NOUN
cet-15609	51	20	/	/	SYM
cet-15609	51	21	explosion	explosion	NOUN
cet-15609	51	22	scenarios	scenario	NOUN
cet-15609	51	23	.	.	PUNCT
cet-15609	52	1	by	by	ADP
cet-15609	52	2	adhering	adhere	VERB
cet-15609	52	3	to	to	ADP
cet-15609	52	4	international	international	ADJ
cet-15609	52	5	guidelines	guideline	NOUN
cet-15609	52	6	,	,	PUNCT
cet-15609	52	7	such	such	ADJ
cet-15609	52	8	as	as	ADP
cet-15609	52	9	iso	iso	NOUN
cet-15609	52	10	21010	21010	NUM
cet-15609	52	11	,	,	PUNCT
cet-15609	52	12	iso	iso	NOUN
cet-15609	52	13	21012	21012	NUM
cet-15609	52	14	,	,	PUNCT
cet-15609	52	15	iso	iso	NOUN
cet-15609	52	16	21028	21028	NUM
cet-15609	52	17	-	-	SYM
cet-15609	52	18	1	1	NUM
cet-15609	52	19	for	for	ADP
cet-15609	52	20	requirements	requirement	NOUN
cet-15609	52	21	specific	specific	ADJ
cet-15609	52	22	for	for	ADP
cet-15609	52	23	design	design	NOUN
cet-15609	52	24	,	,	PUNCT
cet-15609	52	25	construction	construction	NOUN
cet-15609	52	26	,	,	PUNCT
cet-15609	52	27	type	type	NOUN
cet-15609	52	28	and	and	CCONJ
cet-15609	52	29	production	production	NOUN
cet-15609	52	30	testing	testing	NOUN
cet-15609	52	31	,	,	PUNCT
cet-15609	52	32	and	and	CCONJ
cet-15609	52	33	marking	mark	VERB
cet-15609	52	34	requirements	requirement	NOUN
cet-15609	52	35	for	for	ADP
cet-15609	52	36	cryogenic	cryogenic	ADJ
cet-15609	52	37	vessels	vessel	NOUN
cet-15609	52	38	,	,	PUNCT
cet-15609	52	39	as	as	ADV
cet-15609	52	40	well	well	ADV
cet-15609	52	41	as	as	ADP
cet-15609	52	42	standards	standard	NOUN
cet-15609	52	43	like	like	ADP
cet-15609	52	44	iso	iso	NOUN
cet-15609	52	45	17636	17636	NUM
cet-15609	52	46	-	-	SYM
cet-15609	52	47	1	1	NUM
cet-15609	52	48	and	and	CCONJ
cet-15609	52	49	iso	iso	NOUN
cet-15609	52	50	17636	17636	NUM
cet-15609	52	51	-	-	SYM
cet-15609	52	52	2	2	NUM
cet-15609	52	53	for	for	ADP
cet-15609	52	54	radiographic	radiographic	ADJ
cet-15609	52	55	testing	testing	NOUN
cet-15609	52	56	of	of	ADP
cet-15609	52	57	fusion	fusion	NOUN
cet-15609	52	58	-	-	PUNCT
cet-15609	52	59	welded	weld	VERB
cet-15609	52	60	joints	joint	NOUN
cet-15609	52	61	,	,	PUNCT
cet-15609	52	62	and	and	CCONJ
cet-15609	52	63	asme	asme	PROPN
cet-15609	52	64	bpvc	bpvc	PROPN
cet-15609	52	65	section	section	PROPN
cet-15609	52	66	v	v	NOUN
cet-15609	52	67	for	for	ADP
cet-15609	52	68	various	various	ADJ
cet-15609	52	69	ndt	ndt	PROPN
cet-15609	52	70	methods	method	NOUN
cet-15609	52	71	,	,	PUNCT
cet-15609	52	72	safety	safety	NOUN
cet-15609	52	73	risks	risk	NOUN
cet-15609	52	74	are	be	AUX
cet-15609	52	75	minimized	minimize	VERB
cet-15609	52	76	,	,	PUNCT
cet-15609	52	77	ensuring	ensure	VERB
cet-15609	52	78	protection	protection	NOUN
cet-15609	52	79	of	of	ADP
cet-15609	52	80	both	both	DET
cet-15609	52	81	personnel	personnel	NOUN
cet-15609	52	82	and	and	CCONJ
cet-15609	52	83	the	the	DET
cet-15609	52	84	environment	environment	NOUN
cet-15609	52	85	.	.	PUNCT
cet-15609	53	1	3	3	X
cet-15609	53	2	.	.	X
cet-15609	53	3	instrumentation	instrumentation	NOUN
cet-15609	53	4	and	and	CCONJ
cet-15609	53	5	controls	control	NOUN
cet-15609	53	6	together	together	ADV
cet-15609	53	7	with	with	ADP
cet-15609	53	8	the	the	DET
cet-15609	53	9	proper	proper	ADJ
cet-15609	53	10	design	design	NOUN
cet-15609	53	11	of	of	ADP
cet-15609	53	12	the	the	DET
cet-15609	53	13	system	system	NOUN
cet-15609	53	14	,	,	PUNCT
cet-15609	53	15	instrumentation	instrumentation	NOUN
cet-15609	53	16	and	and	CCONJ
cet-15609	53	17	control	control	NOUN
cet-15609	53	18	systems	system	NOUN
cet-15609	53	19	are	be	AUX
cet-15609	53	20	crucial	crucial	ADJ
cet-15609	53	21	for	for	ADP
cet-15609	53	22	managing	manage	VERB
cet-15609	53	23	the	the	DET
cet-15609	53	24	operation	operation	NOUN
cet-15609	53	25	and	and	CCONJ
cet-15609	53	26	safety	safety	NOUN
cet-15609	53	27	of	of	ADP
cet-15609	53	28	hydrogen	hydrogen	NOUN
cet-15609	53	29	facilities	facility	NOUN
cet-15609	53	30	.	.	PUNCT
cet-15609	54	1	instrumentation	instrumentation	NOUN
cet-15609	54	2	allows	allow	VERB
cet-15609	54	3	for	for	ADP
cet-15609	54	4	the	the	DET
cet-15609	54	5	continuous	continuous	ADJ
cet-15609	54	6	monitoring	monitoring	NOUN
cet-15609	54	7	and	and	CCONJ
cet-15609	54	8	measurement	measurement	NOUN
cet-15609	54	9	of	of	ADP
cet-15609	54	10	various	various	ADJ
cet-15609	54	11	process	process	NOUN
cet-15609	54	12	parameters	parameter	NOUN
cet-15609	54	13	,	,	PUNCT
cet-15609	54	14	while	while	SCONJ
cet-15609	54	15	control	control	NOUN
cet-15609	54	16	systems	system	NOUN
cet-15609	54	17	ensure	ensure	VERB
cet-15609	54	18	that	that	SCONJ
cet-15609	54	19	the	the	DET
cet-15609	54	20	process	process	NOUN
cet-15609	54	21	stays	stay	VERB
cet-15609	54	22	within	within	ADP
cet-15609	54	23	safe	safe	ADJ
cet-15609	54	24	and	and	CCONJ
cet-15609	54	25	optimal	optimal	ADJ
cet-15609	54	26	limits	limit	NOUN
cet-15609	54	27	.	.	PUNCT
cet-15609	55	1	together	together	ADV
cet-15609	55	2	,	,	PUNCT
cet-15609	55	3	these	these	DET
cet-15609	55	4	systems	system	NOUN
cet-15609	55	5	are	be	AUX
cet-15609	55	6	fundamental	fundamental	ADJ
cet-15609	55	7	for	for	ADP
cet-15609	55	8	both	both	CCONJ
cet-15609	55	9	the	the	DET
cet-15609	55	10	efficient	efficient	ADJ
cet-15609	55	11	functioning	functioning	NOUN
cet-15609	55	12	and	and	CCONJ
cet-15609	55	13	safety	safety	NOUN
cet-15609	55	14	of	of	ADP
cet-15609	55	15	hydrogen	hydrogen	NOUN
cet-15609	55	16	systems	system	NOUN
cet-15609	55	17	.	.	PUNCT
cet-15609	56	1	to	to	PART
cet-15609	56	2	ensure	ensure	VERB
cet-15609	56	3	safety	safety	NOUN
cet-15609	56	4	,	,	PUNCT
cet-15609	56	5	hydrogen	hydrogen	NOUN
cet-15609	56	6	facilities	facility	NOUN
cet-15609	56	7	should	should	AUX
cet-15609	56	8	be	be	AUX
cet-15609	56	9	equipped	equip	VERB
cet-15609	56	10	with	with	ADP
cet-15609	56	11	a	a	DET
cet-15609	56	12	range	range	NOUN
cet-15609	56	13	of	of	ADP
cet-15609	56	14	control	control	NOUN
cet-15609	56	15	and	and	CCONJ
cet-15609	56	16	safety	safety	NOUN
cet-15609	56	17	devices	device	NOUN
cet-15609	56	18	.	.	PUNCT
cet-15609	57	1	a	a	DET
cet-15609	57	2	reliable	reliable	ADJ
cet-15609	57	3	warning	warning	NOUN
cet-15609	57	4	system	system	NOUN
cet-15609	57	5	is	be	AUX
cet-15609	57	6	essential	essential	ADJ
cet-15609	57	7	to	to	PART
cet-15609	57	8	detect	detect	VERB
cet-15609	57	9	abnormal	abnormal	ADJ
cet-15609	57	10	conditions	condition	NOUN
cet-15609	57	11	,	,	PUNCT
cet-15609	57	12	malfunctions	malfunction	NOUN
cet-15609	57	13	,	,	PUNCT
cet-15609	57	14	or	or	CCONJ
cet-15609	57	15	potential	potential	ADJ
cet-15609	57	16	failures	failure	NOUN
cet-15609	57	17	.	.	PUNCT
cet-15609	58	1	this	this	DET
cet-15609	58	2	system	system	NOUN
cet-15609	58	3	should	should	AUX
cet-15609	58	4	include	include	VERB
cet-15609	58	5	both	both	CCONJ
cet-15609	58	6	visible	visible	ADJ
cet-15609	58	7	and	and	CCONJ
cet-15609	58	8	audible	audible	ADJ
cet-15609	58	9	alerts	alert	NOUN
cet-15609	58	10	and	and	CCONJ
cet-15609	58	11	be	be	AUX
cet-15609	58	12	designed	design	VERB
cet-15609	58	13	with	with	ADP
cet-15609	58	14	redundancy	redundancy	NOUN
cet-15609	58	15	to	to	PART
cet-15609	58	16	prevent	prevent	VERB
cet-15609	58	17	complete	complete	ADJ
cet-15609	58	18	failure	failure	NOUN
cet-15609	58	19	due	due	ADP
cet-15609	58	20	to	to	ADP
cet-15609	58	21	a	a	DET
cet-15609	58	22	single	single	ADJ
cet-15609	58	23	malfunction	malfunction	NOUN
cet-15609	58	24	.	.	PUNCT
cet-15609	59	1	additionally	additionally	ADV
cet-15609	59	2	,	,	PUNCT
cet-15609	59	3	safety	safety	NOUN
cet-15609	59	4	features	feature	NOUN
cet-15609	59	5	within	within	ADP
cet-15609	59	6	the	the	DET
cet-15609	59	7	system	system	NOUN
cet-15609	59	8	should	should	AUX
cet-15609	59	9	automatically	automatically	ADV
cet-15609	59	10	intervene	intervene	VERB
cet-15609	59	11	to	to	PART
cet-15609	59	12	reduce	reduce	VERB
cet-15609	59	13	risks	risk	NOUN
cet-15609	59	14	identified	identify	VERB
cet-15609	59	15	by	by	ADP
cet-15609	59	16	the	the	DET
cet-15609	59	17	warning	warning	NOUN
cet-15609	59	18	system	system	NOUN
cet-15609	59	19	.	.	PUNCT
cet-15609	60	1	manual	manual	ADJ
cet-15609	60	2	controls	control	NOUN
cet-15609	60	3	should	should	AUX
cet-15609	60	4	be	be	AUX
cet-15609	60	5	limited	limit	VERB
cet-15609	60	6	by	by	ADP
cet-15609	60	7	automatic	automatic	ADJ
cet-15609	60	8	devices	device	NOUN
cet-15609	60	9	to	to	PART
cet-15609	60	10	prevent	prevent	VERB
cet-15609	60	11	operating	operate	VERB
cet-15609	60	12	outside	outside	ADP
cet-15609	60	13	safe	safe	ADJ
cet-15609	60	14	465	465	NUM
cet-15609	60	15	parameters	parameter	NOUN
cet-15609	60	16	.	.	PUNCT
cet-15609	61	1	the	the	DET
cet-15609	61	2	instrumentation	instrumentation	NOUN
cet-15609	61	3	,	,	PUNCT
cet-15609	61	4	software	software	NOUN
cet-15609	61	5	,	,	PUNCT
cet-15609	61	6	and	and	CCONJ
cet-15609	61	7	computers	computer	NOUN
cet-15609	61	8	used	use	VERB
cet-15609	61	9	for	for	ADP
cet-15609	61	10	safety	safety	NOUN
cet-15609	61	11	should	should	AUX
cet-15609	61	12	be	be	AUX
cet-15609	61	13	independent	independent	ADJ
cet-15609	61	14	from	from	ADP
cet-15609	61	15	those	those	PRON
cet-15609	61	16	used	use	VERB
cet-15609	61	17	for	for	ADP
cet-15609	61	18	regular	regular	ADJ
cet-15609	61	19	operations	operation	NOUN
cet-15609	61	20	and	and	CCONJ
cet-15609	61	21	must	must	AUX
cet-15609	61	22	include	include	VERB
cet-15609	61	23	enough	enough	ADJ
cet-15609	61	24	redundancy	redundancy	NOUN
cet-15609	61	25	to	to	PART
cet-15609	61	26	avoid	avoid	VERB
cet-15609	61	27	system	system	NOUN
cet-15609	61	28	failures	failure	NOUN
cet-15609	61	29	.	.	PUNCT
cet-15609	62	1	furthermore	furthermore	ADV
cet-15609	62	2	,	,	PUNCT
cet-15609	62	3	various	various	ADJ
cet-15609	62	4	technologies	technology	NOUN
cet-15609	62	5	are	be	AUX
cet-15609	62	6	available	available	ADJ
cet-15609	62	7	for	for	ADP
cet-15609	62	8	hydrogen	hydrogen	NOUN
cet-15609	62	9	gas	gas	NOUN
cet-15609	62	10	detection	detection	NOUN
cet-15609	62	11	;	;	PUNCT
cet-15609	62	12	hydrogen	hydrogen	NOUN
cet-15609	62	13	detectors	detector	NOUN
cet-15609	62	14	are	be	AUX
cet-15609	62	15	typically	typically	ADV
cet-15609	62	16	installed	instal	VERB
cet-15609	62	17	above	above	ADP
cet-15609	62	18	potential	potential	ADJ
cet-15609	62	19	leak	leak	NOUN
cet-15609	62	20	points	point	NOUN
cet-15609	62	21	and	and	CCONJ
cet-15609	62	22	areas	area	NOUN
cet-15609	62	23	where	where	SCONJ
cet-15609	62	24	hydrogen	hydrogen	NOUN
cet-15609	62	25	may	may	AUX
cet-15609	62	26	accumulate	accumulate	VERB
cet-15609	62	27	,	,	PUNCT
cet-15609	62	28	such	such	ADJ
cet-15609	62	29	as	as	ADP
cet-15609	62	30	the	the	DET
cet-15609	62	31	highest	high	ADJ
cet-15609	62	32	point	point	NOUN
cet-15609	62	33	in	in	ADP
cet-15609	62	34	a	a	DET
cet-15609	62	35	room	room	NOUN
cet-15609	62	36	or	or	CCONJ
cet-15609	62	37	at	at	ADP
cet-15609	62	38	the	the	DET
cet-15609	62	39	intake	intake	NOUN
cet-15609	62	40	of	of	ADP
cet-15609	62	41	ventilation	ventilation	NOUN
cet-15609	62	42	ducts	duct	NOUN
cet-15609	62	43	.	.	PUNCT
cet-15609	63	1	infrared	infrared	PROPN
cet-15609	63	2	(	(	PUNCT
cet-15609	63	3	ir	ir	NOUN
cet-15609	63	4	)	)	PUNCT
cet-15609	63	5	cameras	camera	NOUN
cet-15609	63	6	can	can	AUX
cet-15609	63	7	image	image	VERB
cet-15609	63	8	heat	heat	NOUN
cet-15609	63	9	across	across	ADP
cet-15609	63	10	a	a	DET
cet-15609	63	11	wide	wide	ADJ
cet-15609	63	12	field	field	NOUN
cet-15609	63	13	of	of	ADP
cet-15609	63	14	view	view	NOUN
cet-15609	63	15	.	.	PUNCT
cet-15609	64	1	ultraviolet	ultraviolet	NOUN
cet-15609	64	2	(	(	PUNCT
cet-15609	64	3	uv	uv	NOUN
cet-15609	64	4	)	)	PUNCT
cet-15609	64	5	detection	detection	NOUN
cet-15609	64	6	is	be	AUX
cet-15609	64	7	specifically	specifically	ADV
cet-15609	64	8	used	use	VERB
cet-15609	64	9	to	to	PART
cet-15609	64	10	identify	identify	VERB
cet-15609	64	11	hydrogen	hydrogen	NOUN
cet-15609	64	12	flames	flame	NOUN
cet-15609	64	13	,	,	PUNCT
cet-15609	64	14	but	but	CCONJ
cet-15609	64	15	careful	careful	ADJ
cet-15609	64	16	collimation	collimation	NOUN
cet-15609	64	17	of	of	ADP
cet-15609	64	18	the	the	DET
cet-15609	64	19	sensor	sensor	NOUN
cet-15609	64	20	's	's	PART
cet-15609	64	21	field	field	NOUN
cet-15609	64	22	of	of	ADP
cet-15609	64	23	view	view	NOUN
cet-15609	64	24	is	be	AUX
cet-15609	64	25	necessary	necessary	ADJ
cet-15609	64	26	,	,	PUNCT
cet-15609	64	27	since	since	SCONJ
cet-15609	64	28	these	these	DET
cet-15609	64	29	detectors	detector	NOUN
cet-15609	64	30	can	can	AUX
cet-15609	64	31	be	be	AUX
cet-15609	64	32	easily	easily	ADV
cet-15609	64	33	triggered	trigger	VERB
cet-15609	64	34	by	by	ADP
cet-15609	64	35	sunlight	sunlight	NOUN
cet-15609	64	36	or	or	CCONJ
cet-15609	64	37	welding	welding	NOUN
cet-15609	64	38	activities	activity	NOUN
cet-15609	64	39	.	.	PUNCT
cet-15609	65	1	continued	continue	VERB
cet-15609	65	2	advancements	advancement	NOUN
cet-15609	65	3	in	in	ADP
cet-15609	65	4	monitoring	monitor	VERB
cet-15609	65	5	techniques	technique	NOUN
cet-15609	65	6	and	and	CCONJ
cet-15609	65	7	the	the	DET
cet-15609	65	8	development	development	NOUN
cet-15609	65	9	of	of	ADP
cet-15609	65	10	robust	robust	ADJ
cet-15609	65	11	fail	fail	ADJ
cet-15609	65	12	-	-	PUNCT
cet-15609	65	13	safe	safe	ADJ
cet-15609	65	14	protocols	protocol	NOUN
cet-15609	65	15	are	be	AUX
cet-15609	65	16	critical	critical	ADJ
cet-15609	65	17	to	to	ADP
cet-15609	65	18	improving	improve	VERB
cet-15609	65	19	the	the	DET
cet-15609	65	20	safety	safety	NOUN
cet-15609	65	21	and	and	CCONJ
cet-15609	65	22	reliability	reliability	NOUN
cet-15609	65	23	of	of	ADP
cet-15609	65	24	hydrogen	hydrogen	NOUN
cet-15609	65	25	systems	system	NOUN
cet-15609	65	26	.	.	PUNCT
cet-15609	66	1	3.1	3.1	NUM
cet-15609	66	2	liquid	liquid	ADJ
cet-15609	66	3	hydrogen	hydrogen	NOUN
cet-15609	66	4	behaviour	behaviour	NOUN
cet-15609	66	5	liquid	liquid	ADJ
cet-15609	66	6	hydrogen	hydrogen	NOUN
cet-15609	66	7	,	,	PUNCT
cet-15609	66	8	due	due	ADP
cet-15609	66	9	to	to	ADP
cet-15609	66	10	its	its	PRON
cet-15609	66	11	extremely	extremely	ADV
cet-15609	66	12	low	low	ADJ
cet-15609	66	13	boiling	boiling	NOUN
cet-15609	66	14	point	point	NOUN
cet-15609	66	15	,	,	PUNCT
cet-15609	66	16	rapidly	rapidly	ADV
cet-15609	66	17	transitions	transition	NOUN
cet-15609	66	18	from	from	ADP
cet-15609	66	19	a	a	DET
cet-15609	66	20	liquid	liquid	NOUN
cet-15609	66	21	to	to	ADP
cet-15609	66	22	gas	gas	NOUN
cet-15609	66	23	when	when	SCONJ
cet-15609	66	24	exposed	expose	VERB
cet-15609	66	25	to	to	ADP
cet-15609	66	26	normal	normal	ADJ
cet-15609	66	27	temperatures	temperature	NOUN
cet-15609	66	28	or	or	CCONJ
cet-15609	66	29	spilled	spill	VERB
cet-15609	66	30	in	in	ADP
cet-15609	66	31	an	an	DET
cet-15609	66	32	ambient	ambient	ADJ
cet-15609	66	33	environment	environment	NOUN
cet-15609	66	34	.	.	PUNCT
cet-15609	67	1	this	this	DET
cet-15609	67	2	rapid	rapid	ADJ
cet-15609	67	3	vaporization	vaporization	NOUN
cet-15609	67	4	can	can	AUX
cet-15609	67	5	result	result	VERB
cet-15609	67	6	in	in	ADP
cet-15609	67	7	high	high	ADJ
cet-15609	67	8	pressures	pressure	NOUN
cet-15609	67	9	if	if	SCONJ
cet-15609	67	10	the	the	DET
cet-15609	67	11	hydrogen	hydrogen	NOUN
cet-15609	67	12	is	be	AUX
cet-15609	67	13	confined	confine	VERB
cet-15609	67	14	,	,	PUNCT
cet-15609	67	15	posing	pose	VERB
cet-15609	67	16	significant	significant	ADJ
cet-15609	67	17	risks	risk	NOUN
cet-15609	67	18	.	.	PUNCT
cet-15609	68	1	additionally	additionally	ADV
cet-15609	68	2	,	,	PUNCT
cet-15609	68	3	the	the	DET
cet-15609	68	4	low	low	ADJ
cet-15609	68	5	temperature	temperature	NOUN
cet-15609	68	6	of	of	ADP
cet-15609	68	7	liquid	liquid	ADJ
cet-15609	68	8	hydrogen	hydrogen	NOUN
cet-15609	68	9	causes	cause	VERB
cet-15609	68	10	most	most	ADJ
cet-15609	68	11	gases	gas	NOUN
cet-15609	68	12	,	,	PUNCT
cet-15609	68	13	with	with	ADP
cet-15609	68	14	the	the	DET
cet-15609	68	15	exception	exception	NOUN
cet-15609	68	16	of	of	ADP
cet-15609	68	17	helium	helium	NOUN
cet-15609	68	18	,	,	PUNCT
cet-15609	68	19	to	to	PART
cet-15609	68	20	condense	condense	VERB
cet-15609	68	21	into	into	ADP
cet-15609	68	22	a	a	DET
cet-15609	68	23	solid	solid	ADJ
cet-15609	68	24	form	form	NOUN
cet-15609	68	25	upon	upon	SCONJ
cet-15609	68	26	contact	contact	NOUN
cet-15609	68	27	.	.	PUNCT
cet-15609	69	1	the	the	DET
cet-15609	69	2	solidified	solidify	VERB
cet-15609	69	3	gases	gas	NOUN
cet-15609	69	4	can	can	AUX
cet-15609	69	5	obstruct	obstruct	VERB
cet-15609	69	6	pipes	pipe	NOUN
cet-15609	69	7	,	,	PUNCT
cet-15609	69	8	valves	valve	NOUN
cet-15609	69	9	,	,	PUNCT
cet-15609	69	10	and	and	CCONJ
cet-15609	69	11	orifices	orifice	NOUN
cet-15609	69	12	,	,	PUNCT
cet-15609	69	13	creating	create	VERB
cet-15609	69	14	blockages	blockage	NOUN
cet-15609	69	15	that	that	PRON
cet-15609	69	16	disrupt	disrupt	VERB
cet-15609	69	17	system	system	NOUN
cet-15609	69	18	operations	operation	NOUN
cet-15609	69	19	.	.	PUNCT
cet-15609	70	1	a	a	DET
cet-15609	70	2	process	process	NOUN
cet-15609	70	3	known	know	VERB
cet-15609	70	4	as	as	ADP
cet-15609	70	5	cryopumping	cryopumping	NOUN
cet-15609	70	6	can	can	AUX
cet-15609	70	7	exacerbate	exacerbate	VERB
cet-15609	70	8	this	this	DET
cet-15609	70	9	issue	issue	NOUN
cet-15609	70	10	:	:	PUNCT
cet-15609	70	11	as	as	SCONJ
cet-15609	70	12	the	the	DET
cet-15609	70	13	gases	gas	NOUN
cet-15609	70	14	condense	condense	VERB
cet-15609	70	15	,	,	PUNCT
cet-15609	70	16	their	their	PRON
cet-15609	70	17	volume	volume	NOUN
cet-15609	70	18	decreases	decrease	VERB
cet-15609	70	19	,	,	PUNCT
cet-15609	70	20	potentially	potentially	ADV
cet-15609	70	21	creating	create	VERB
cet-15609	70	22	a	a	DET
cet-15609	70	23	vacuum	vacuum	NOUN
cet-15609	70	24	that	that	PRON
cet-15609	70	25	draws	draw	VERB
cet-15609	70	26	in	in	ADP
cet-15609	70	27	even	even	ADV
cet-15609	70	28	more	more	ADJ
cet-15609	70	29	gas	gas	NOUN
cet-15609	70	30	.	.	PUNCT
cet-15609	71	1	prolonged	prolonged	ADJ
cet-15609	71	2	leaks	leak	NOUN
cet-15609	71	3	can	can	AUX
cet-15609	71	4	lead	lead	VERB
cet-15609	71	5	to	to	ADP
cet-15609	71	6	large	large	ADJ
cet-15609	71	7	accumulations	accumulation	NOUN
cet-15609	71	8	of	of	ADP
cet-15609	71	9	solidified	solidify	VERB
cet-15609	71	10	gases	gas	NOUN
cet-15609	71	11	,	,	PUNCT
cet-15609	71	12	displacing	displace	VERB
cet-15609	71	13	liquid	liquid	ADJ
cet-15609	71	14	hydrogen	hydrogen	NOUN
cet-15609	71	15	and	and	CCONJ
cet-15609	71	16	,	,	PUNCT
cet-15609	71	17	when	when	SCONJ
cet-15609	71	18	the	the	DET
cet-15609	71	19	system	system	NOUN
cet-15609	71	20	is	be	AUX
cet-15609	71	21	eventually	eventually	ADV
cet-15609	71	22	warmed	warm	VERB
cet-15609	71	23	for	for	ADP
cet-15609	71	24	maintenance	maintenance	NOUN
cet-15609	71	25	,	,	PUNCT
cet-15609	71	26	causing	cause	VERB
cet-15609	71	27	the	the	DET
cet-15609	71	28	frozen	frozen	ADJ
cet-15609	71	29	materials	material	NOUN
cet-15609	71	30	to	to	PART
cet-15609	71	31	re	re	VERB
cet-15609	71	32	-	-	VERB
cet-15609	71	33	gasify	gasify	VERB
cet-15609	71	34	.	.	PUNCT
cet-15609	72	1	this	this	PRON
cet-15609	72	2	could	could	AUX
cet-15609	72	3	result	result	VERB
cet-15609	72	4	in	in	ADP
cet-15609	72	5	dangerous	dangerous	ADJ
cet-15609	72	6	pressure	pressure	NOUN
cet-15609	72	7	buildup	buildup	NOUN
cet-15609	72	8	from	from	ADP
cet-15609	72	9	reactive	reactive	ADJ
cet-15609	72	10	mixtures	mixture	NOUN
cet-15609	72	11	.	.	PUNCT
cet-15609	73	1	furthermore	furthermore	ADV
cet-15609	73	2	,	,	PUNCT
cet-15609	73	3	gases	gas	NOUN
cet-15609	73	4	trapped	trap	VERB
cet-15609	73	5	within	within	ADP
cet-15609	73	6	the	the	DET
cet-15609	73	7	system	system	NOUN
cet-15609	73	8	could	could	AUX
cet-15609	73	9	transfer	transfer	VERB
cet-15609	73	10	heat	heat	NOUN
cet-15609	73	11	into	into	ADP
cet-15609	73	12	the	the	DET
cet-15609	73	13	liquid	liquid	ADJ
cet-15609	73	14	hydrogen	hydrogen	NOUN
cet-15609	73	15	,	,	PUNCT
cet-15609	73	16	leading	lead	VERB
cet-15609	73	17	to	to	ADP
cet-15609	73	18	increased	increase	VERB
cet-15609	73	19	evaporation	evaporation	NOUN
cet-15609	73	20	and	and	CCONJ
cet-15609	73	21	pressure	pressure	NOUN
cet-15609	73	22	rise	rise	NOUN
cet-15609	73	23	.	.	PUNCT
cet-15609	74	1	outside	outside	ADP
cet-15609	74	2	of	of	ADP
cet-15609	74	3	the	the	DET
cet-15609	74	4	liquid	liquid	ADJ
cet-15609	74	5	hydrogen	hydrogen	NOUN
cet-15609	74	6	system	system	NOUN
cet-15609	74	7	,	,	PUNCT
cet-15609	74	8	un	un	ADJ
cet-15609	74	9	-	-	ADJ
cet-15609	74	10	insulated	insulated	ADJ
cet-15609	74	11	pipes	pipe	NOUN
cet-15609	74	12	and	and	CCONJ
cet-15609	74	13	vessels	vessel	NOUN
cet-15609	74	14	can	can	AUX
cet-15609	74	15	condense	condense	VERB
cet-15609	74	16	gases	gas	NOUN
cet-15609	74	17	such	such	ADJ
cet-15609	74	18	as	as	ADP
cet-15609	74	19	air	air	NOUN
cet-15609	74	20	on	on	ADP
cet-15609	74	21	their	their	PRON
cet-15609	74	22	outer	outer	ADJ
cet-15609	74	23	surfaces	surface	NOUN
cet-15609	74	24	.	.	PUNCT
cet-15609	75	1	this	this	DET
cet-15609	75	2	liquid	liquid	ADJ
cet-15609	75	3	and	and	CCONJ
cet-15609	75	4	solid	solid	ADJ
cet-15609	75	5	condensate	condensate	NOUN
cet-15609	75	6	,	,	PUNCT
cet-15609	75	7	resembling	resemble	VERB
cet-15609	75	8	water	water	NOUN
cet-15609	75	9	,	,	PUNCT
cet-15609	75	10	can	can	AUX
cet-15609	75	11	lead	lead	VERB
cet-15609	75	12	to	to	ADP
cet-15609	75	13	oxygen	oxygen	NOUN
cet-15609	75	14	enrichment	enrichment	NOUN
cet-15609	75	15	due	due	ADP
cet-15609	75	16	to	to	ADP
cet-15609	75	17	the	the	DET
cet-15609	75	18	higher	high	ADJ
cet-15609	75	19	boiling	boiling	NOUN
cet-15609	75	20	point	point	NOUN
cet-15609	75	21	of	of	ADP
cet-15609	75	22	oxygen	oxygen	NOUN
cet-15609	75	23	(	(	PUNCT
cet-15609	75	24	90	90	NUM
cet-15609	75	25	k	k	NOUN
cet-15609	75	26	)	)	PUNCT
cet-15609	75	27	compared	compare	VERB
cet-15609	75	28	to	to	ADP
cet-15609	75	29	nitrogen	nitrogen	NOUN
cet-15609	75	30	(	(	PUNCT
cet-15609	75	31	77	77	NUM
cet-15609	75	32	k	k	NOUN
cet-15609	75	33	)	)	PUNCT
cet-15609	75	34	.	.	PUNCT
cet-15609	76	1	if	if	SCONJ
cet-15609	76	2	oxygen	oxygen	NOUN
cet-15609	76	3	comes	come	VERB
cet-15609	76	4	into	into	ADP
cet-15609	76	5	contact	contact	NOUN
cet-15609	76	6	with	with	ADP
cet-15609	76	7	combustible	combustible	ADJ
cet-15609	76	8	materials	material	NOUN
cet-15609	76	9	,	,	PUNCT
cet-15609	76	10	combustion	combustion	NOUN
cet-15609	76	11	risks	risk	NOUN
cet-15609	76	12	arise	arise	VERB
cet-15609	76	13	,	,	PUNCT
cet-15609	76	14	even	even	ADV
cet-15609	76	15	with	with	ADP
cet-15609	76	16	materials	material	NOUN
cet-15609	76	17	that	that	PRON
cet-15609	76	18	are	be	AUX
cet-15609	76	19	not	not	PART
cet-15609	76	20	typically	typically	ADV
cet-15609	76	21	considered	consider	VERB
cet-15609	76	22	flammable	flammable	ADJ
cet-15609	76	23	.	.	PUNCT
cet-15609	77	1	the	the	DET
cet-15609	77	2	vaporization	vaporization	NOUN
cet-15609	77	3	of	of	ADP
cet-15609	77	4	liquid	liquid	ADJ
cet-15609	77	5	hydrogen	hydrogen	NOUN
cet-15609	77	6	also	also	ADV
cet-15609	77	7	causes	cause	VERB
cet-15609	77	8	rapid	rapid	ADJ
cet-15609	77	9	condensation	condensation	NOUN
cet-15609	77	10	of	of	ADP
cet-15609	77	11	atmospheric	atmospheric	ADJ
cet-15609	77	12	humidity	humidity	NOUN
cet-15609	77	13	,	,	PUNCT
cet-15609	77	14	resulting	result	VERB
cet-15609	77	15	in	in	ADP
cet-15609	77	16	a	a	DET
cet-15609	77	17	visible	visible	ADJ
cet-15609	77	18	white	white	ADJ
cet-15609	77	19	cloud	cloud	NOUN
cet-15609	77	20	of	of	ADP
cet-15609	77	21	condensed	condensed	ADJ
cet-15609	77	22	water	water	NOUN
cet-15609	77	23	.	.	PUNCT
cet-15609	78	1	however	however	ADV
cet-15609	78	2	,	,	PUNCT
cet-15609	78	3	caution	caution	NOUN
cet-15609	78	4	is	be	AUX
cet-15609	78	5	needed	need	VERB
cet-15609	78	6	when	when	SCONJ
cet-15609	78	7	interpreting	interpret	VERB
cet-15609	78	8	this	this	DET
cet-15609	78	9	cloud	cloud	NOUN
cet-15609	78	10	as	as	ADP
cet-15609	78	11	an	an	DET
cet-15609	78	12	indicator	indicator	NOUN
cet-15609	78	13	of	of	ADP
cet-15609	78	14	the	the	DET
cet-15609	78	15	hydrogen	hydrogen	NOUN
cet-15609	78	16	/	/	SYM
cet-15609	78	17	air	air	NOUN
cet-15609	78	18	mixture	mixture	NOUN
cet-15609	78	19	.	.	PUNCT
cet-15609	79	1	while	while	SCONJ
cet-15609	79	2	some	some	DET
cet-15609	79	3	sources	source	NOUN
cet-15609	79	4	suggest	suggest	VERB
cet-15609	79	5	that	that	SCONJ
cet-15609	79	6	the	the	DET
cet-15609	79	7	extent	extent	NOUN
cet-15609	79	8	of	of	ADP
cet-15609	79	9	the	the	DET
cet-15609	79	10	water	water	NOUN
cet-15609	79	11	cloud	cloud	NOUN
cet-15609	79	12	correlates	correlate	VERB
cet-15609	79	13	with	with	ADP
cet-15609	79	14	the	the	DET
cet-15609	79	15	hydrogen	hydrogen	NOUN
cet-15609	79	16	/	/	SYM
cet-15609	79	17	air	air	NOUN
cet-15609	79	18	mixture	mixture	NOUN
cet-15609	79	19	's	's	PART
cet-15609	79	20	spread	spread	NOUN
cet-15609	79	21	,	,	PUNCT
cet-15609	79	22	this	this	PRON
cet-15609	79	23	is	be	AUX
cet-15609	79	24	an	an	DET
cet-15609	79	25	unreliable	unreliable	ADJ
cet-15609	79	26	and	and	CCONJ
cet-15609	79	27	rough	rough	ADJ
cet-15609	79	28	guide	guide	NOUN
cet-15609	79	29	.	.	PUNCT
cet-15609	80	1	the	the	DET
cet-15609	80	2	actual	actual	ADJ
cet-15609	80	3	extent	extent	NOUN
cet-15609	80	4	of	of	ADP
cet-15609	80	5	the	the	DET
cet-15609	80	6	flammable	flammable	ADJ
cet-15609	80	7	hydrogen	hydrogen	NOUN
cet-15609	80	8	/	/	SYM
cet-15609	80	9	air	air	NOUN
cet-15609	80	10	mixture	mixture	NOUN
cet-15609	80	11	could	could	AUX
cet-15609	80	12	be	be	AUX
cet-15609	80	13	larger	large	ADJ
cet-15609	80	14	than	than	ADP
cet-15609	80	15	the	the	DET
cet-15609	80	16	visible	visible	ADJ
cet-15609	80	17	water	water	NOUN
cet-15609	80	18	cloud	cloud	NOUN
cet-15609	80	19	,	,	PUNCT
cet-15609	80	20	underscoring	underscore	VERB
cet-15609	80	21	the	the	DET
cet-15609	80	22	complexity	complexity	NOUN
cet-15609	80	23	of	of	ADP
cet-15609	80	24	assessing	assess	VERB
cet-15609	80	25	the	the	DET
cet-15609	80	26	true	true	ADJ
cet-15609	80	27	risks	risk	NOUN
cet-15609	80	28	in	in	ADP
cet-15609	80	29	such	such	ADJ
cet-15609	80	30	scenarios	scenario	NOUN
cet-15609	80	31	.	.	PUNCT
cet-15609	81	1	in	in	ADP
cet-15609	81	2	terms	term	NOUN
cet-15609	81	3	of	of	ADP
cet-15609	81	4	process	process	NOUN
cet-15609	81	5	safety	safety	NOUN
cet-15609	81	6	,	,	PUNCT
cet-15609	81	7	these	these	DET
cet-15609	81	8	phenomena	phenomenon	NOUN
cet-15609	81	9	highlight	highlight	VERB
cet-15609	81	10	the	the	DET
cet-15609	81	11	importance	importance	NOUN
cet-15609	81	12	of	of	ADP
cet-15609	81	13	designing	design	VERB
cet-15609	81	14	systems	system	NOUN
cet-15609	81	15	to	to	PART
cet-15609	81	16	prevent	prevent	VERB
cet-15609	81	17	leaks	leak	NOUN
cet-15609	81	18	,	,	PUNCT
cet-15609	81	19	carefully	carefully	ADV
cet-15609	81	20	controlling	control	VERB
cet-15609	81	21	temperature	temperature	NOUN
cet-15609	81	22	and	and	CCONJ
cet-15609	81	23	pressure	pressure	NOUN
cet-15609	81	24	,	,	PUNCT
cet-15609	81	25	and	and	CCONJ
cet-15609	81	26	ensuring	ensure	VERB
cet-15609	81	27	proper	proper	ADJ
cet-15609	81	28	insulation	insulation	NOUN
cet-15609	81	29	of	of	ADP
cet-15609	81	30	components	component	NOUN
cet-15609	81	31	to	to	PART
cet-15609	81	32	minimize	minimize	VERB
cet-15609	81	33	condensation	condensation	NOUN
cet-15609	81	34	-	-	PUNCT
cet-15609	81	35	related	relate	VERB
cet-15609	81	36	hazards	hazard	NOUN
cet-15609	81	37	.	.	PUNCT
cet-15609	82	1	additionally	additionally	ADV
cet-15609	82	2	,	,	PUNCT
cet-15609	82	3	close	close	ADJ
cet-15609	82	4	attention	attention	NOUN
cet-15609	82	5	must	must	AUX
cet-15609	82	6	be	be	AUX
cet-15609	82	7	paid	pay	VERB
cet-15609	82	8	to	to	ADP
cet-15609	82	9	the	the	DET
cet-15609	82	10	potential	potential	NOUN
cet-15609	82	11	for	for	ADP
cet-15609	82	12	oxygen	oxygen	NOUN
cet-15609	82	13	enrichment	enrichment	NOUN
cet-15609	82	14	and	and	CCONJ
cet-15609	82	15	the	the	DET
cet-15609	82	16	handling	handling	NOUN
cet-15609	82	17	of	of	ADP
cet-15609	82	18	condensed	condense	VERB
cet-15609	82	19	gases	gas	NOUN
cet-15609	82	20	,	,	PUNCT
cet-15609	82	21	as	as	SCONJ
cet-15609	82	22	these	these	DET
cet-15609	82	23	factors	factor	NOUN
cet-15609	82	24	can	can	AUX
cet-15609	82	25	contribute	contribute	VERB
cet-15609	82	26	significantly	significantly	ADV
cet-15609	82	27	to	to	ADP
cet-15609	82	28	fire	fire	NOUN
cet-15609	82	29	and	and	CCONJ
cet-15609	82	30	explosion	explosion	NOUN
cet-15609	82	31	risks	risk	NOUN
cet-15609	82	32	.	.	PUNCT
cet-15609	83	1	3.2	3.2	NUM
cet-15609	83	2	hydrogen	hydrogen	NOUN
cet-15609	83	3	gas	gas	NOUN
cet-15609	83	4	detection	detection	NOUN
cet-15609	83	5	given	give	VERB
cet-15609	83	6	the	the	DET
cet-15609	83	7	limitations	limitation	NOUN
cet-15609	83	8	of	of	ADP
cet-15609	83	9	human	human	ADJ
cet-15609	83	10	sensory	sensory	ADJ
cet-15609	83	11	perception	perception	NOUN
cet-15609	83	12	,	,	PUNCT
cet-15609	83	13	alternative	alternative	ADJ
cet-15609	83	14	methods	method	NOUN
cet-15609	83	15	are	be	AUX
cet-15609	83	16	required	require	VERB
cet-15609	83	17	for	for	ADP
cet-15609	83	18	hydrogen	hydrogen	NOUN
cet-15609	83	19	detection	detection	NOUN
cet-15609	83	20	.	.	PUNCT
cet-15609	84	1	various	various	ADJ
cet-15609	84	2	commercially	commercially	ADV
cet-15609	84	3	available	available	ADJ
cet-15609	84	4	detection	detection	NOUN
cet-15609	84	5	technologies	technology	NOUN
cet-15609	84	6	can	can	AUX
cet-15609	84	7	identify	identify	VERB
cet-15609	84	8	hydrogen	hydrogen	NOUN
cet-15609	84	9	presence	presence	NOUN
cet-15609	84	10	,	,	PUNCT
cet-15609	84	11	many	many	ADJ
cet-15609	84	12	of	of	ADP
cet-15609	84	13	which	which	PRON
cet-15609	84	14	are	be	AUX
cet-15609	84	15	suitable	suitable	ADJ
cet-15609	84	16	for	for	ADP
cet-15609	84	17	integration	integration	NOUN
cet-15609	84	18	into	into	ADP
cet-15609	84	19	automated	automate	VERB
cet-15609	84	20	warning	warning	NOUN
cet-15609	84	21	and	and	CCONJ
cet-15609	84	22	operational	operational	ADJ
cet-15609	84	23	control	control	NOUN
cet-15609	84	24	systems	system	NOUN
cet-15609	84	25	.	.	PUNCT
cet-15609	85	1	strategic	strategic	ADJ
cet-15609	85	2	placement	placement	NOUN
cet-15609	85	3	of	of	ADP
cet-15609	85	4	hydrogen	hydrogen	NOUN
cet-15609	85	5	detectors	detector	NOUN
cet-15609	85	6	includes	include	VERB
cet-15609	85	7	areas	area	NOUN
cet-15609	85	8	prone	prone	ADJ
cet-15609	85	9	to	to	ADP
cet-15609	85	10	leaks	leak	NOUN
cet-15609	85	11	or	or	CCONJ
cet-15609	85	12	spills	spill	NOUN
cet-15609	85	13	,	,	PUNCT
cet-15609	85	14	routinely	routinely	ADV
cet-15609	85	15	disconnected	disconnected	ADJ
cet-15609	85	16	hydrogen	hydrogen	NOUN
cet-15609	85	17	connections	connection	NOUN
cet-15609	85	18	,	,	PUNCT
cet-15609	85	19	locations	location	NOUN
cet-15609	85	20	where	where	SCONJ
cet-15609	85	21	hydrogen	hydrogen	NOUN
cet-15609	85	22	accumulation	accumulation	NOUN
cet-15609	85	23	is	be	AUX
cet-15609	85	24	possible	possible	ADJ
cet-15609	85	25	,	,	PUNCT
cet-15609	85	26	building	build	VERB
cet-15609	85	27	air	air	NOUN
cet-15609	85	28	intake	intake	NOUN
cet-15609	85	29	ducts	duct	NOUN
cet-15609	85	30	if	if	SCONJ
cet-15609	85	31	hydrogen	hydrogen	NOUN
cet-15609	85	32	ingress	ingress	NOUN
cet-15609	85	33	is	be	AUX
cet-15609	85	34	a	a	DET
cet-15609	85	35	concern	concern	NOUN
cet-15609	85	36	,	,	PUNCT
cet-15609	85	37	and	and	CCONJ
cet-15609	85	38	exhaust	exhaust	NOUN
cet-15609	85	39	ducts	duct	NOUN
cet-15609	85	40	where	where	SCONJ
cet-15609	85	41	hydrogen	hydrogen	NOUN
cet-15609	85	42	release	release	NOUN
cet-15609	85	43	may	may	AUX
cet-15609	85	44	occur	occur	VERB
cet-15609	85	45	.	.	PUNCT
cet-15609	86	1	key	key	ADJ
cet-15609	86	2	criteria	criterion	NOUN
cet-15609	86	3	for	for	ADP
cet-15609	86	4	selecting	select	VERB
cet-15609	86	5	hydrogen	hydrogen	NOUN
cet-15609	86	6	sensors	sensor	NOUN
cet-15609	86	7	include	include	VERB
cet-15609	86	8	accuracy	accuracy	NOUN
cet-15609	86	9	,	,	PUNCT
cet-15609	86	10	reliability	reliability	NOUN
cet-15609	86	11	,	,	PUNCT
cet-15609	86	12	cross	cross	NOUN
cet-15609	86	13	-	-	NOUN
cet-15609	86	14	sensitivity	sensitivity	NOUN
cet-15609	86	15	,	,	PUNCT
cet-15609	86	16	maintainability	maintainability	NOUN
cet-15609	86	17	,	,	PUNCT
cet-15609	86	18	calibration	calibration	NOUN
cet-15609	86	19	requirements	requirement	NOUN
cet-15609	86	20	,	,	PUNCT
cet-15609	86	21	zero	zero	NUM
cet-15609	86	22	drift	drift	NOUN
cet-15609	86	23	,	,	PUNCT
cet-15609	86	24	detection	detection	NOUN
cet-15609	86	25	limits	limit	NOUN
cet-15609	86	26	(	(	PUNCT
cet-15609	86	27	both	both	CCONJ
cet-15609	86	28	upper	upper	ADJ
cet-15609	86	29	and	and	CCONJ
cet-15609	86	30	lower	low	ADJ
cet-15609	86	31	)	)	PUNCT
cet-15609	86	32	,	,	PUNCT
cet-15609	86	33	response	response	NOUN
cet-15609	86	34	time	time	NOUN
cet-15609	86	35	,	,	PUNCT
cet-15609	86	36	recovery	recovery	NOUN
cet-15609	86	37	characteristics	characteristic	NOUN
cet-15609	86	38	,	,	PUNCT
cet-15609	86	39	operational	operational	ADJ
cet-15609	86	40	methodology	methodology	NOUN
cet-15609	86	41	(	(	PUNCT
cet-15609	86	42	active	active	ADJ
cet-15609	86	43	or	or	CCONJ
cet-15609	86	44	passive	passive	ADJ
cet-15609	86	45	)	)	PUNCT
cet-15609	86	46	,	,	PUNCT
cet-15609	86	47	and	and	CCONJ
cet-15609	86	48	system	system	NOUN
cet-15609	86	49	compatibility	compatibility	NOUN
cet-15609	86	50	.	.	PUNCT
cet-15609	87	1	in	in	ADP
cet-15609	87	2	addition	addition	NOUN
cet-15609	87	3	to	to	ADP
cet-15609	87	4	stationary	stationary	ADJ
cet-15609	87	5	detection	detection	NOUN
cet-15609	87	6	systems	system	NOUN
cet-15609	87	7	,	,	PUNCT
cet-15609	87	8	operators	operator	NOUN
cet-15609	87	9	should	should	AUX
cet-15609	87	10	also	also	ADV
cet-15609	87	11	be	be	AUX
cet-15609	87	12	equipped	equip	VERB
cet-15609	87	13	with	with	ADP
cet-15609	87	14	portable	portable	ADJ
cet-15609	87	15	hydrogen	hydrogen	NOUN
cet-15609	87	16	detectors	detector	NOUN
cet-15609	87	17	for	for	ADP
cet-15609	87	18	real	real	ADJ
cet-15609	87	19	-	-	PUNCT
cet-15609	87	20	time	time	NOUN
cet-15609	87	21	monitoring	monitoring	NOUN
cet-15609	87	22	around	around	ADP
cet-15609	87	23	hydrogen	hydrogen	NOUN
cet-15609	87	24	-	-	PUNCT
cet-15609	87	25	handling	handle	VERB
cet-15609	87	26	facilities	facility	NOUN
cet-15609	87	27	.	.	PUNCT
cet-15609	88	1	a	a	DET
cet-15609	88	2	commonly	commonly	ADV
cet-15609	88	3	established	establish	VERB
cet-15609	88	4	alarm	alarm	NOUN
cet-15609	88	5	threshold	threshold	NOUN
cet-15609	88	6	is	be	AUX
cet-15609	88	7	1	1	NUM
cet-15609	88	8	%	%	NOUN
cet-15609	88	9	hydrogen	hydrogen	NOUN
cet-15609	88	10	(	(	PUNCT
cet-15609	88	11	volume	volume	NOUN
cet-15609	88	12	fraction	fraction	NOUN
cet-15609	88	13	)	)	PUNCT
cet-15609	88	14	in	in	ADP
cet-15609	88	15	air	air	NOUN
cet-15609	88	16	,	,	PUNCT
cet-15609	88	17	corresponding	correspond	VERB
cet-15609	88	18	to	to	ADP
cet-15609	88	19	approximately	approximately	ADV
cet-15609	88	20	25	25	NUM
cet-15609	88	21	%	%	NOUN
cet-15609	88	22	of	of	ADP
cet-15609	88	23	the	the	DET
cet-15609	88	24	lower	low	ADJ
cet-15609	88	25	flammability	flammability	NOUN
cet-15609	88	26	limit	limit	NOUN
cet-15609	88	27	(	(	PUNCT
cet-15609	88	28	lfl	lfl	PROPN
cet-15609	88	29	)	)	PUNCT
cet-15609	88	30	.	.	PUNCT
cet-15609	89	1	this	this	DET
cet-15609	89	2	threshold	threshold	NOUN
cet-15609	89	3	generally	generally	ADV
cet-15609	89	4	ensures	ensure	VERB
cet-15609	89	5	sufficient	sufficient	ADJ
cet-15609	89	6	response	response	NOUN
cet-15609	89	7	time	time	NOUN
cet-15609	89	8	for	for	ADP
cet-15609	89	9	appropriate	appropriate	ADJ
cet-15609	89	10	safety	safety	NOUN
cet-15609	89	11	measures	measure	NOUN
cet-15609	89	12	,	,	PUNCT
cet-15609	89	13	such	such	ADJ
cet-15609	89	14	as	as	ADP
cet-15609	89	15	system	system	NOUN
cet-15609	89	16	shutdown	shutdown	NOUN
cet-15609	89	17	,	,	PUNCT
cet-15609	89	18	personnel	personnel	NOUN
cet-15609	89	19	evacuation	evacuation	NOUN
cet-15609	89	20	,	,	PUNCT
cet-15609	89	21	or	or	CCONJ
cet-15609	89	22	other	other	ADJ
cet-15609	89	23	necessary	necessary	ADJ
cet-15609	89	24	interventions	intervention	NOUN
cet-15609	89	25	,	,	PUNCT
cet-15609	89	26	with	with	ADP
cet-15609	89	27	the	the	DET
cet-15609	89	28	possibility	possibility	NOUN
cet-15609	89	29	of	of	ADP
cet-15609	89	30	an	an	DET
cet-15609	89	31	earlier	early	ADJ
cet-15609	89	32	warning	warning	NOUN
cet-15609	89	33	if	if	SCONJ
cet-15609	89	34	required	require	VERB
cet-15609	89	35	.	.	PUNCT
cet-15609	90	1	3.3	3.3	NUM
cet-15609	90	2	fire	fire	NOUN
cet-15609	90	3	detection	detection	NOUN
cet-15609	90	4	in	in	ADP
cet-15609	90	5	the	the	DET
cet-15609	90	6	absence	absence	NOUN
cet-15609	90	7	of	of	ADP
cet-15609	90	8	impurities	impurity	NOUN
cet-15609	90	9	,	,	PUNCT
cet-15609	90	10	a	a	DET
cet-15609	90	11	hydrogen	hydrogen	NOUN
cet-15609	90	12	-	-	PUNCT
cet-15609	90	13	air	air	NOUN
cet-15609	90	14	flame	flame	NOUN
cet-15609	90	15	exhibits	exhibit	VERB
cet-15609	90	16	minimal	minimal	ADJ
cet-15609	90	17	emissivity	emissivity	NOUN
cet-15609	90	18	within	within	ADP
cet-15609	90	19	the	the	DET
cet-15609	90	20	visible	visible	ADJ
cet-15609	90	21	spectrum	spectrum	NOUN
cet-15609	90	22	,	,	PUNCT
cet-15609	90	23	rendering	render	VERB
cet-15609	90	24	it	it	PRON
cet-15609	90	25	nearly	nearly	ADV
cet-15609	90	26	imperceptible	imperceptible	ADJ
cet-15609	90	27	to	to	ADP
cet-15609	90	28	the	the	DET
cet-15609	90	29	human	human	ADJ
cet-15609	90	30	eye	eye	NOUN
cet-15609	90	31	under	under	ADP
cet-15609	90	32	daylight	daylight	NOUN
cet-15609	90	33	conditions	condition	NOUN
cet-15609	90	34	.	.	PUNCT
cet-15609	91	1	additionally	additionally	ADV
cet-15609	91	2	,	,	PUNCT
cet-15609	91	3	its	its	PRON
cet-15609	91	4	thermal	thermal	ADJ
cet-15609	91	5	radiation	radiation	NOUN
cet-15609	91	6	output	output	NOUN
cet-15609	91	7	is	be	AUX
cet-15609	91	8	low	low	ADJ
cet-15609	91	9	,	,	PUNCT
cet-15609	91	10	further	far	ADV
cet-15609	91	11	complicating	complicate	VERB
cet-15609	91	12	detection	detection	NOUN
cet-15609	91	13	via	via	ADP
cet-15609	91	14	conventional	conventional	ADJ
cet-15609	91	15	sensory	sensory	ADJ
cet-15609	91	16	means	mean	NOUN
cet-15609	91	17	.	.	PUNCT
cet-15609	92	1	given	give	VERB
cet-15609	92	2	these	these	DET
cet-15609	92	3	properties	property	NOUN
cet-15609	92	4	,	,	PUNCT
cet-15609	92	5	the	the	DET
cet-15609	92	6	implementation	implementation	NOUN
cet-15609	92	7	of	of	ADP
cet-15609	92	8	dedicated	dedicated	ADJ
cet-15609	92	9	hydrogen	hydrogen	NOUN
cet-15609	92	10	flame	flame	NOUN
cet-15609	92	11	detection	detection	NOUN
cet-15609	92	12	systems	system	NOUN
cet-15609	92	13	is	be	AUX
cet-15609	92	14	critical	critical	ADJ
cet-15609	92	15	in	in	ADP
cet-15609	92	16	environments	environment	NOUN
cet-15609	92	17	where	where	SCONJ
cet-15609	92	18	hydrogen	hydrogen	NOUN
cet-15609	92	19	leaks	leak	NOUN
cet-15609	92	20	,	,	PUNCT
cet-15609	92	21	spills	spill	NOUN
cet-15609	92	22	,	,	PUNCT
cet-15609	92	23	or	or	CCONJ
cet-15609	92	24	hazardous	hazardous	ADJ
cet-15609	92	25	accumulations	accumulation	NOUN
cet-15609	92	26	may	may	AUX
cet-15609	92	27	occur	occur	VERB
cet-15609	92	28	.	.	PUNCT
cet-15609	93	1	the	the	DET
cet-15609	93	2	selection	selection	NOUN
cet-15609	93	3	of	of	ADP
cet-15609	93	4	a	a	DET
cet-15609	93	5	hydrogen	hydrogen	NOUN
cet-15609	93	6	flame	flame	NOUN
cet-15609	93	7	detection	detection	NOUN
cet-15609	93	8	system	system	NOUN
cet-15609	93	9	should	should	AUX
cet-15609	93	10	466	466	NUM
cet-15609	93	11	consider	consider	VERB
cet-15609	93	12	detection	detection	NOUN
cet-15609	93	13	range	range	NOUN
cet-15609	93	14	,	,	PUNCT
cet-15609	93	15	susceptibility	susceptibility	NOUN
cet-15609	93	16	to	to	ADP
cet-15609	93	17	false	false	ADJ
cet-15609	93	18	alarms	alarm	NOUN
cet-15609	93	19	,	,	PUNCT
cet-15609	93	20	response	response	NOUN
cet-15609	93	21	time	time	NOUN
cet-15609	93	22	,	,	PUNCT
cet-15609	93	23	and	and	CCONJ
cet-15609	93	24	spectral	spectral	ADJ
cet-15609	93	25	sensitivity	sensitivity	NOUN
cet-15609	93	26	to	to	PART
cet-15609	93	27	ensure	ensure	VERB
cet-15609	93	28	accurate	accurate	ADJ
cet-15609	93	29	and	and	CCONJ
cet-15609	93	30	timely	timely	ADJ
cet-15609	93	31	identification	identification	NOUN
cet-15609	93	32	of	of	ADP
cet-15609	93	33	hydrogen	hydrogen	NOUN
cet-15609	93	34	flames	flame	NOUN
cet-15609	93	35	.	.	PUNCT
cet-15609	94	1	to	to	PART
cet-15609	94	2	enhance	enhance	VERB
cet-15609	94	3	safety	safety	NOUN
cet-15609	94	4	in	in	ADP
cet-15609	94	5	hydrogen	hydrogen	NOUN
cet-15609	94	6	-	-	PUNCT
cet-15609	94	7	handling	handle	VERB
cet-15609	94	8	facilities	facility	NOUN
cet-15609	94	9	,	,	PUNCT
cet-15609	94	10	personnel	personnel	NOUN
cet-15609	94	11	should	should	AUX
cet-15609	94	12	use	use	VERB
cet-15609	94	13	portable	portable	ADJ
cet-15609	94	14	hydrogen	hydrogen	NOUN
cet-15609	94	15	flame	flame	NOUN
cet-15609	94	16	detectors	detector	NOUN
cet-15609	94	17	for	for	ADP
cet-15609	94	18	real	real	ADJ
cet-15609	94	19	-	-	PUNCT
cet-15609	94	20	time	time	NOUN
cet-15609	94	21	monitoring	monitoring	NOUN
cet-15609	94	22	.	.	PUNCT
cet-15609	95	1	while	while	SCONJ
cet-15609	95	2	basic	basic	ADJ
cet-15609	95	3	methods	method	NOUN
cet-15609	95	4	like	like	ADP
cet-15609	95	5	straw	straw	NOUN
cet-15609	95	6	brooms	broom	NOUN
cet-15609	95	7	can	can	AUX
cet-15609	95	8	provide	provide	VERB
cet-15609	95	9	preliminary	preliminary	ADJ
cet-15609	95	10	detection	detection	NOUN
cet-15609	95	11	,	,	PUNCT
cet-15609	95	12	they	they	PRON
cet-15609	95	13	are	be	AUX
cet-15609	95	14	unreliable	unreliable	ADJ
cet-15609	95	15	in	in	ADP
cet-15609	95	16	high	high	ADJ
cet-15609	95	17	-	-	PUNCT
cet-15609	95	18	risk	risk	NOUN
cet-15609	95	19	environments	environment	NOUN
cet-15609	95	20	.	.	PUNCT
cet-15609	96	1	in	in	ADP
cet-15609	96	2	large	large	ADJ
cet-15609	96	3	-	-	PUNCT
cet-15609	96	4	scale	scale	NOUN
cet-15609	96	5	facilities	facility	NOUN
cet-15609	96	6	,	,	PUNCT
cet-15609	96	7	delayed	delay	VERB
cet-15609	96	8	detection	detection	NOUN
cet-15609	96	9	of	of	ADP
cet-15609	96	10	turbulent	turbulent	ADJ
cet-15609	96	11	hydrogen	hydrogen	NOUN
cet-15609	96	12	jet	jet	NOUN
cet-15609	96	13	fires	fire	NOUN
cet-15609	96	14	may	may	AUX
cet-15609	96	15	endanger	endanger	VERB
cet-15609	96	16	personnel	personnel	NOUN
cet-15609	96	17	by	by	ADP
cet-15609	96	18	obstructing	obstruct	VERB
cet-15609	96	19	evacuation	evacuation	NOUN
cet-15609	96	20	routes	route	NOUN
cet-15609	96	21	.	.	PUNCT
cet-15609	97	1	3.4	3.4	NUM
cet-15609	97	2	ventilation	ventilation	NOUN
cet-15609	97	3	ventilation	ventilation	NOUN
cet-15609	97	4	systems	system	NOUN
cet-15609	97	5	for	for	ADP
cet-15609	97	6	confined	confine	VERB
cet-15609	97	7	spaces	space	NOUN
cet-15609	97	8	must	must	AUX
cet-15609	97	9	be	be	AUX
cet-15609	97	10	designed	design	VERB
cet-15609	97	11	to	to	PART
cet-15609	97	12	effectively	effectively	ADV
cet-15609	97	13	control	control	VERB
cet-15609	97	14	hydrogen	hydrogen	NOUN
cet-15609	97	15	accumulation	accumulation	NOUN
cet-15609	97	16	and	and	CCONJ
cet-15609	97	17	migration	migration	NOUN
cet-15609	97	18	,	,	PUNCT
cet-15609	97	19	ensuring	ensure	VERB
cet-15609	97	20	the	the	DET
cet-15609	97	21	maintenance	maintenance	NOUN
cet-15609	97	22	of	of	ADP
cet-15609	97	23	concentrations	concentration	NOUN
cet-15609	97	24	below	below	ADP
cet-15609	97	25	the	the	DET
cet-15609	97	26	lower	low	ADJ
cet-15609	97	27	flammability	flammability	NOUN
cet-15609	97	28	limit	limit	NOUN
cet-15609	97	29	while	while	SCONJ
cet-15609	97	30	accounting	account	VERB
cet-15609	97	31	for	for	ADP
cet-15609	97	32	variations	variation	NOUN
cet-15609	97	33	in	in	ADP
cet-15609	97	34	pressure	pressure	NOUN
cet-15609	97	35	and	and	CCONJ
cet-15609	97	36	temperature	temperature	NOUN
cet-15609	97	37	.	.	PUNCT
cet-15609	98	1	in	in	ADP
cet-15609	98	2	scenarios	scenario	NOUN
cet-15609	98	3	where	where	SCONJ
cet-15609	98	4	hydrogen	hydrogen	NOUN
cet-15609	98	5	originates	originate	NOUN
cet-15609	98	6	externally	externally	ADV
cet-15609	98	7	,	,	PUNCT
cet-15609	98	8	ventilation	ventilation	NOUN
cet-15609	98	9	must	must	AUX
cet-15609	98	10	prevent	prevent	VERB
cet-15609	98	11	ingress	ingress	NOUN
cet-15609	98	12	unless	unless	SCONJ
cet-15609	98	13	deactivation	deactivation	NOUN
cet-15609	98	14	is	be	AUX
cet-15609	98	15	specifically	specifically	ADV
cet-15609	98	16	controlled	control	VERB
cet-15609	98	17	.	.	PUNCT
cet-15609	99	1	to	to	PART
cet-15609	99	2	mitigate	mitigate	VERB
cet-15609	99	3	ignition	ignition	NOUN
cet-15609	99	4	hazards	hazard	NOUN
cet-15609	99	5	,	,	PUNCT
cet-15609	99	6	confined	confine	VERB
cet-15609	99	7	spaces	space	NOUN
cet-15609	99	8	designated	designate	VERB
cet-15609	99	9	for	for	ADP
cet-15609	99	10	hydrogen	hydrogen	NOUN
cet-15609	99	11	storage	storage	NOUN
cet-15609	99	12	or	or	CCONJ
cet-15609	99	13	processing	processing	NOUN
cet-15609	99	14	must	must	AUX
cet-15609	99	15	incorporate	incorporate	VERB
cet-15609	99	16	active	active	ADJ
cet-15609	99	17	or	or	CCONJ
cet-15609	99	18	passive	passive	ADJ
cet-15609	99	19	ventilation	ventilation	NOUN
cet-15609	99	20	systems	system	NOUN
cet-15609	99	21	coupled	couple	VERB
cet-15609	99	22	with	with	ADP
cet-15609	99	23	hydrogen	hydrogen	NOUN
cet-15609	99	24	detection	detection	NOUN
cet-15609	99	25	mechanisms	mechanism	NOUN
cet-15609	99	26	.	.	PUNCT
cet-15609	100	1	mechanical	mechanical	ADJ
cet-15609	100	2	ventilation	ventilation	NOUN
cet-15609	100	3	should	should	AUX
cet-15609	100	4	either	either	CCONJ
cet-15609	100	5	be	be	AUX
cet-15609	100	6	interlocked	interlock	VERB
cet-15609	100	7	with	with	ADP
cet-15609	100	8	hydrogen	hydrogen	NOUN
cet-15609	100	9	detection	detection	NOUN
cet-15609	100	10	or	or	CCONJ
cet-15609	100	11	activated	activate	VERB
cet-15609	100	12	preventively	preventively	ADV
cet-15609	100	13	before	before	ADP
cet-15609	100	14	hydrogen	hydrogen	NOUN
cet-15609	100	15	introduction	introduction	NOUN
cet-15609	100	16	and	and	CCONJ
cet-15609	100	17	remain	remain	VERB
cet-15609	100	18	operational	operational	ADJ
cet-15609	100	19	until	until	ADP
cet-15609	100	20	complete	complete	ADJ
cet-15609	100	21	removal	removal	NOUN
cet-15609	100	22	.	.	PUNCT
cet-15609	101	1	emergency	emergency	NOUN
cet-15609	101	2	shutdown	shutdown	NOUN
cet-15609	101	3	procedures	procedure	NOUN
cet-15609	101	4	should	should	AUX
cet-15609	101	5	not	not	PART
cet-15609	101	6	disable	disable	VERB
cet-15609	101	7	ventilation	ventilation	NOUN
cet-15609	101	8	unless	unless	SCONJ
cet-15609	101	9	the	the	DET
cet-15609	101	10	hydrogen	hydrogen	NOUN
cet-15609	101	11	source	source	NOUN
cet-15609	101	12	is	be	AUX
cet-15609	101	13	external	external	ADJ
cet-15609	101	14	.	.	PUNCT
cet-15609	102	1	additionally	additionally	ADV
cet-15609	102	2	,	,	PUNCT
cet-15609	102	3	the	the	DET
cet-15609	102	4	presence	presence	NOUN
cet-15609	102	5	of	of	ADP
cet-15609	102	6	suspended	suspend	VERB
cet-15609	102	7	ceilings	ceiling	NOUN
cet-15609	102	8	and	and	CCONJ
cet-15609	102	9	inverted	inverted	ADJ
cet-15609	102	10	pockets	pocket	NOUN
cet-15609	102	11	should	should	AUX
cet-15609	102	12	be	be	AUX
cet-15609	102	13	minimized	minimize	VERB
cet-15609	102	14	or	or	CCONJ
cet-15609	102	15	adequately	adequately	ADV
cet-15609	102	16	ventilated	ventilate	VERB
cet-15609	102	17	.	.	PUNCT
cet-15609	103	1	all	all	DET
cet-15609	103	2	ventilation	ventilation	NOUN
cet-15609	103	3	system	system	NOUN
cet-15609	103	4	components	component	NOUN
cet-15609	103	5	must	must	AUX
cet-15609	103	6	conform	conform	VERB
cet-15609	103	7	to	to	ADP
cet-15609	103	8	explosionproof	explosionproof	NOUN
cet-15609	103	9	standards	standard	NOUN
cet-15609	103	10	,	,	PUNCT
cet-15609	103	11	ensuring	ensure	VERB
cet-15609	103	12	that	that	SCONJ
cet-15609	103	13	mechanical	mechanical	ADJ
cet-15609	103	14	failures	failure	NOUN
cet-15609	103	15	do	do	AUX
cet-15609	103	16	not	not	PART
cet-15609	103	17	generate	generate	VERB
cet-15609	103	18	ignition	ignition	NOUN
cet-15609	103	19	sources	source	NOUN
cet-15609	103	20	.	.	PUNCT
cet-15609	104	1	4	4	X
cet-15609	104	2	.	.	X
cet-15609	104	3	venting	vent	VERB
cet-15609	104	4	systems	system	NOUN
cet-15609	104	5	in	in	ADP
cet-15609	104	6	liquid	liquid	ADJ
cet-15609	104	7	hydrogen	hydrogen	NOUN
cet-15609	104	8	systems	system	NOUN
cet-15609	104	9	,	,	PUNCT
cet-15609	104	10	when	when	SCONJ
cet-15609	104	11	liquid	liquid	ADJ
cet-15609	104	12	hydrogen	hydrogen	NOUN
cet-15609	104	13	turns	turn	VERB
cet-15609	104	14	to	to	ADP
cet-15609	104	15	gas	gas	NOUN
cet-15609	104	16	,	,	PUNCT
cet-15609	104	17	the	the	DET
cet-15609	104	18	rapid	rapid	ADJ
cet-15609	104	19	increase	increase	NOUN
cet-15609	104	20	in	in	ADP
cet-15609	104	21	volume	volume	NOUN
cet-15609	104	22	can	can	AUX
cet-15609	104	23	over	over	ADV
cet-15609	104	24	-	-	PUNCT
cet-15609	104	25	pressurize	pressurize	VERB
cet-15609	104	26	containment	containment	NOUN
cet-15609	104	27	structures	structure	NOUN
cet-15609	104	28	,	,	PUNCT
cet-15609	104	29	like	like	ADP
cet-15609	104	30	storage	storage	NOUN
cet-15609	104	31	vessels	vessel	NOUN
cet-15609	104	32	,	,	PUNCT
cet-15609	104	33	and	and	CCONJ
cet-15609	104	34	cause	cause	VERB
cet-15609	104	35	them	they	PRON
cet-15609	104	36	to	to	PART
cet-15609	104	37	burst	burst	VERB
cet-15609	104	38	.	.	PUNCT
cet-15609	105	1	this	this	DET
cet-15609	105	2	hazard	hazard	NOUN
cet-15609	105	3	is	be	AUX
cet-15609	105	4	managed	manage	VERB
cet-15609	105	5	using	use	VERB
cet-15609	105	6	pressure	pressure	NOUN
cet-15609	105	7	relief	relief	NOUN
cet-15609	105	8	devices	device	NOUN
cet-15609	105	9	in	in	ADP
cet-15609	105	10	critical	critical	ADJ
cet-15609	105	11	areas	area	NOUN
cet-15609	105	12	,	,	PUNCT
cet-15609	105	13	such	such	ADJ
cet-15609	105	14	as	as	ADP
cet-15609	105	15	between	between	ADP
cet-15609	105	16	valves	valve	NOUN
cet-15609	105	17	,	,	PUNCT
cet-15609	105	18	where	where	SCONJ
cet-15609	105	19	hydrogen	hydrogen	NOUN
cet-15609	105	20	could	could	AUX
cet-15609	105	21	get	get	AUX
cet-15609	105	22	trapped	trap	VERB
cet-15609	105	23	.	.	PUNCT
cet-15609	106	1	without	without	ADP
cet-15609	106	2	proper	proper	ADJ
cet-15609	106	3	relief	relief	NOUN
cet-15609	106	4	,	,	PUNCT
cet-15609	106	5	a	a	DET
cet-15609	106	6	catastrophic	catastrophic	ADJ
cet-15609	106	7	failure	failure	NOUN
cet-15609	106	8	could	could	AUX
cet-15609	106	9	occur	occur	VERB
cet-15609	106	10	,	,	PUNCT
cet-15609	106	11	resulting	result	VERB
cet-15609	106	12	in	in	ADP
cet-15609	106	13	explosions	explosion	NOUN
cet-15609	106	14	or	or	CCONJ
cet-15609	106	15	flying	fly	VERB
cet-15609	106	16	debris	debris	NOUN
cet-15609	106	17	.	.	PUNCT
cet-15609	107	1	for	for	ADP
cet-15609	107	2	this	this	DET
cet-15609	107	3	reason	reason	NOUN
cet-15609	107	4	,	,	PUNCT
cet-15609	107	5	hydrogen	hydrogen	NOUN
cet-15609	107	6	venting	venting	NOUN
cet-15609	107	7	systems	system	NOUN
cet-15609	107	8	are	be	AUX
cet-15609	107	9	a	a	DET
cet-15609	107	10	critical	critical	ADJ
cet-15609	107	11	part	part	NOUN
cet-15609	107	12	of	of	ADP
cet-15609	107	13	every	every	DET
cet-15609	107	14	hydrogen	hydrogen	NOUN
cet-15609	107	15	system	system	NOUN
cet-15609	107	16	and	and	CCONJ
cet-15609	107	17	must	must	AUX
cet-15609	107	18	be	be	AUX
cet-15609	107	19	included	include	VERB
cet-15609	107	20	as	as	ADP
cet-15609	107	21	part	part	NOUN
cet-15609	107	22	of	of	ADP
cet-15609	107	23	the	the	DET
cet-15609	107	24	hazard	hazard	NOUN
cet-15609	107	25	review	review	NOUN
cet-15609	107	26	.	.	PUNCT
cet-15609	108	1	when	when	SCONJ
cet-15609	108	2	hydrogen	hydrogen	NOUN
cet-15609	108	3	mixes	mix	VERB
cet-15609	108	4	with	with	ADP
cet-15609	108	5	air	air	NOUN
cet-15609	108	6	,	,	PUNCT
cet-15609	108	7	deflagrations	deflagration	NOUN
cet-15609	108	8	can	can	AUX
cet-15609	108	9	create	create	VERB
cet-15609	108	10	pressures	pressure	NOUN
cet-15609	108	11	up	up	ADP
cet-15609	108	12	to	to	PART
cet-15609	108	13	eight	eight	NUM
cet-15609	108	14	times	time	NOUN
cet-15609	108	15	the	the	DET
cet-15609	108	16	initial	initial	ADJ
cet-15609	108	17	pressure	pressure	NOUN
cet-15609	108	18	,	,	PUNCT
cet-15609	108	19	while	while	SCONJ
cet-15609	108	20	detonations	detonation	NOUN
cet-15609	108	21	can	can	AUX
cet-15609	108	22	create	create	VERB
cet-15609	108	23	pressures	pressure	NOUN
cet-15609	108	24	up	up	ADP
cet-15609	108	25	to	to	PART
cet-15609	108	26	20	20	NUM
cet-15609	108	27	times	time	NOUN
cet-15609	108	28	higher	high	ADJ
cet-15609	108	29	due	due	ADJ
cet-15609	108	30	to	to	ADP
cet-15609	108	31	reflected	reflect	VERB
cet-15609	108	32	shock	shock	NOUN
cet-15609	108	33	waves	wave	NOUN
cet-15609	108	34	.	.	PUNCT
cet-15609	109	1	traditional	traditional	ADJ
cet-15609	109	2	pressure	pressure	NOUN
cet-15609	109	3	relief	relief	NOUN
cet-15609	109	4	systems	system	NOUN
cet-15609	109	5	,	,	PUNCT
cet-15609	109	6	like	like	ADP
cet-15609	109	7	rupture	rupture	NOUN
cet-15609	109	8	disks	disk	NOUN
cet-15609	109	9	,	,	PUNCT
cet-15609	109	10	ca	can	AUX
cet-15609	109	11	n’t	not	PART
cet-15609	109	12	protect	protect	VERB
cet-15609	109	13	against	against	ADP
cet-15609	109	14	detonations	detonation	NOUN
cet-15609	109	15	because	because	SCONJ
cet-15609	109	16	these	these	DET
cet-15609	109	17	waves	wave	NOUN
cet-15609	109	18	move	move	VERB
cet-15609	109	19	faster	fast	ADV
cet-15609	109	20	than	than	ADP
cet-15609	109	21	the	the	DET
cet-15609	109	22	speed	speed	NOUN
cet-15609	109	23	of	of	ADP
cet-15609	109	24	sound	sound	NOUN
cet-15609	109	25	,	,	PUNCT
cet-15609	109	26	meaning	mean	VERB
cet-15609	109	27	relief	relief	NOUN
cet-15609	109	28	systems	system	NOUN
cet-15609	109	29	do	do	AUX
cet-15609	109	30	n’t	not	PART
cet-15609	109	31	react	react	VERB
cet-15609	109	32	quickly	quickly	ADV
cet-15609	109	33	enough	enough	ADV
cet-15609	109	34	.	.	PUNCT
cet-15609	110	1	these	these	DET
cet-15609	110	2	systems	system	NOUN
cet-15609	110	3	are	be	AUX
cet-15609	110	4	only	only	ADV
cet-15609	110	5	effective	effective	ADJ
cet-15609	110	6	against	against	ADP
cet-15609	110	7	slower	slow	ADJ
cet-15609	110	8	deflagrations	deflagration	NOUN
cet-15609	110	9	.	.	PUNCT
cet-15609	111	1	the	the	DET
cet-15609	111	2	discharged	discharge	VERB
cet-15609	111	3	hydrogen	hydrogen	NOUN
cet-15609	111	4	should	should	AUX
cet-15609	111	5	be	be	AUX
cet-15609	111	6	directed	direct	VERB
cet-15609	111	7	away	away	ADV
cet-15609	111	8	from	from	ADP
cet-15609	111	9	people	people	NOUN
cet-15609	111	10	and	and	CCONJ
cet-15609	111	11	equipment	equipment	NOUN
cet-15609	111	12	to	to	PART
cet-15609	111	13	reduce	reduce	VERB
cet-15609	111	14	fire	fire	NOUN
cet-15609	111	15	risk	risk	NOUN
cet-15609	111	16	(	(	PUNCT
cet-15609	111	17	several	several	ADJ
cet-15609	111	18	incidents	incident	NOUN
cet-15609	111	19	occurred	occur	VERB
cet-15609	111	20	in	in	ADP
cet-15609	111	21	the	the	DET
cet-15609	111	22	past	past	NOUN
cet-15609	111	23	due	due	ADP
cet-15609	111	24	to	to	ADP
cet-15609	111	25	unproper	unproper	PROPN
cet-15609	111	26	geometry	geometry	NOUN
cet-15609	111	27	of	of	ADP
cet-15609	111	28	the	the	DET
cet-15609	111	29	vent	vent	NOUN
cet-15609	111	30	:	:	PUNCT
cet-15609	111	31	onboard	onboard	ADP
cet-15609	111	32	storage	storage	NOUN
cet-15609	111	33	systems	system	NOUN
cet-15609	111	34	should	should	AUX
cet-15609	111	35	include	include	VERB
cet-15609	111	36	pressure	pressure	NOUN
cet-15609	111	37	relief	relief	NOUN
cet-15609	111	38	devices	device	NOUN
cet-15609	111	39	with	with	ADP
cet-15609	111	40	fire	fire	NOUN
cet-15609	111	41	-	-	PUNCT
cet-15609	111	42	resistant	resistant	ADJ
cet-15609	111	43	ratings	rating	NOUN
cet-15609	111	44	since	since	SCONJ
cet-15609	111	45	an	an	DET
cet-15609	111	46	ignition	ignition	NOUN
cet-15609	111	47	could	could	AUX
cet-15609	111	48	occur	occur	VERB
cet-15609	111	49	during	during	ADP
cet-15609	111	50	the	the	DET
cet-15609	111	51	venting	venting	NOUN
cet-15609	111	52	,	,	PUNCT
cet-15609	111	53	and	and	CCONJ
cet-15609	111	54	any	any	DET
cet-15609	111	55	enclosure	enclosure	NOUN
cet-15609	111	56	housing	house	VERB
cet-15609	111	57	the	the	DET
cet-15609	111	58	hydrogen	hydrogen	NOUN
cet-15609	111	59	system	system	NOUN
cet-15609	111	60	must	must	AUX
cet-15609	111	61	be	be	AUX
cet-15609	111	62	able	able	ADJ
cet-15609	111	63	to	to	PART
cet-15609	111	64	handle	handle	VERB
cet-15609	111	65	or	or	CCONJ
cet-15609	111	66	vent	vent	VERB
cet-15609	111	67	pressure	pressure	NOUN
cet-15609	111	68	in	in	ADP
cet-15609	111	69	case	case	NOUN
cet-15609	111	70	of	of	ADP
cet-15609	111	71	accidental	accidental	ADJ
cet-15609	111	72	release	release	NOUN
cet-15609	111	73	)	)	PUNCT
cet-15609	111	74	.	.	PUNCT
cet-15609	112	1	if	if	SCONJ
cet-15609	112	2	multiple	multiple	ADJ
cet-15609	112	3	relief	relief	NOUN
cet-15609	112	4	devices	device	NOUN
cet-15609	112	5	are	be	AUX
cet-15609	112	6	connected	connect	VERB
cet-15609	112	7	,	,	PUNCT
cet-15609	112	8	their	their	PRON
cet-15609	112	9	operation	operation	NOUN
cet-15609	112	10	should	should	AUX
cet-15609	112	11	not	not	PART
cet-15609	112	12	interfere	interfere	VERB
cet-15609	112	13	with	with	ADP
cet-15609	112	14	each	each	DET
cet-15609	112	15	other	other	ADJ
cet-15609	112	16	.	.	PUNCT
cet-15609	113	1	redundancy	redundancy	NOUN
cet-15609	113	2	in	in	ADP
cet-15609	113	3	the	the	DET
cet-15609	113	4	form	form	NOUN
cet-15609	113	5	of	of	ADP
cet-15609	113	6	both	both	DET
cet-15609	113	7	relief	relief	NOUN
cet-15609	113	8	valves	valve	NOUN
cet-15609	113	9	and	and	CCONJ
cet-15609	113	10	rupture	rupture	NOUN
cet-15609	113	11	disks	disk	NOUN
cet-15609	113	12	is	be	AUX
cet-15609	113	13	common	common	ADJ
cet-15609	113	14	to	to	PART
cet-15609	113	15	ensure	ensure	VERB
cet-15609	113	16	reliability	reliability	NOUN
cet-15609	113	17	.	.	PUNCT
cet-15609	114	1	furthermore	furthermore	ADV
cet-15609	114	2	,	,	PUNCT
cet-15609	114	3	pipes	pipe	NOUN
cet-15609	114	4	and	and	CCONJ
cet-15609	114	5	supports	support	NOUN
cet-15609	114	6	must	must	AUX
cet-15609	114	7	be	be	AUX
cet-15609	114	8	designed	design	VERB
cet-15609	114	9	considering	consider	VERB
cet-15609	114	10	seismic	seismic	ADJ
cet-15609	114	11	and	and	CCONJ
cet-15609	114	12	wind	wind	NOUN
cet-15609	114	13	conditions	condition	NOUN
cet-15609	114	14	since	since	SCONJ
cet-15609	114	15	an	an	DET
cet-15609	114	16	incorrect	incorrect	ADJ
cet-15609	114	17	design	design	NOUN
cet-15609	114	18	could	could	AUX
cet-15609	114	19	cause	cause	VERB
cet-15609	114	20	catastrophic	catastrophic	ADJ
cet-15609	114	21	damage	damage	NOUN
cet-15609	114	22	;	;	PUNCT
cet-15609	114	23	also	also	ADV
cet-15609	114	24	,	,	PUNCT
cet-15609	114	25	lh2	lh2	NOUN
cet-15609	114	26	requires	require	VERB
cet-15609	114	27	a	a	DET
cet-15609	114	28	warning	warning	NOUN
cet-15609	114	29	sign	sign	NOUN
cet-15609	114	30	to	to	PART
cet-15609	114	31	never	never	ADV
cet-15609	114	32	spray	spray	VERB
cet-15609	114	33	water	water	NOUN
cet-15609	114	34	on	on	ADP
cet-15609	114	35	the	the	DET
cet-15609	114	36	vent	vent	NOUN
cet-15609	114	37	stack	stack	NOUN
cet-15609	114	38	(	(	PUNCT
cet-15609	114	39	nfpa	nfpa	NOUN
cet-15609	114	40	2	2	NUM
cet-15609	114	41	,	,	PUNCT
cet-15609	114	42	2023	2023	NUM
cet-15609	114	43	)	)	PUNCT
cet-15609	114	44	.	.	PUNCT
cet-15609	115	1	5	5	X
cet-15609	115	2	.	.	X
cet-15609	115	3	training	training	NOUN
cet-15609	115	4	and	and	CCONJ
cet-15609	115	5	awareness	awareness	NOUN
cet-15609	115	6	a	a	DET
cet-15609	115	7	hydrogen	hydrogen	NOUN
cet-15609	115	8	facility	facility	NOUN
cet-15609	115	9	or	or	CCONJ
cet-15609	115	10	system	system	NOUN
cet-15609	115	11	comprises	comprise	VERB
cet-15609	115	12	various	various	ADJ
cet-15609	115	13	operations	operation	NOUN
cet-15609	115	14	essential	essential	ADJ
cet-15609	115	15	for	for	ADP
cet-15609	115	16	its	its	PRON
cet-15609	115	17	effective	effective	ADJ
cet-15609	115	18	functioning	functioning	NOUN
cet-15609	115	19	,	,	PUNCT
cet-15609	115	20	involving	involve	VERB
cet-15609	115	21	not	not	PART
cet-15609	115	22	only	only	ADV
cet-15609	115	23	the	the	DET
cet-15609	115	24	system	system	NOUN
cet-15609	115	25	’s	’s	PART
cet-15609	115	26	components	component	NOUN
cet-15609	115	27	and	and	CCONJ
cet-15609	115	28	equipment	equipment	NOUN
cet-15609	115	29	but	but	CCONJ
cet-15609	115	30	also	also	ADV
cet-15609	115	31	the	the	DET
cet-15609	115	32	personnel	personnel	NOUN
cet-15609	115	33	responsible	responsible	ADJ
cet-15609	115	34	for	for	ADP
cet-15609	115	35	these	these	DET
cet-15609	115	36	tasks	task	NOUN
cet-15609	115	37	,	,	PUNCT
cet-15609	115	38	specialized	specialized	ADJ
cet-15609	115	39	tools	tool	NOUN
cet-15609	115	40	,	,	PUNCT
cet-15609	115	41	and	and	CCONJ
cet-15609	115	42	personal	personal	ADJ
cet-15609	115	43	protective	protective	ADJ
cet-15609	115	44	equipment	equipment	NOUN
cet-15609	115	45	(	(	PUNCT
cet-15609	115	46	ppe	ppe	NOUN
cet-15609	115	47	)	)	PUNCT
cet-15609	115	48	to	to	PART
cet-15609	115	49	ensure	ensure	VERB
cet-15609	115	50	safety	safety	NOUN
cet-15609	115	51	.	.	PUNCT
cet-15609	116	1	human	human	ADJ
cet-15609	116	2	error	error	NOUN
cet-15609	116	3	is	be	AUX
cet-15609	116	4	the	the	DET
cet-15609	116	5	leading	lead	VERB
cet-15609	116	6	cause	cause	NOUN
cet-15609	116	7	of	of	ADP
cet-15609	116	8	accidents	accident	NOUN
cet-15609	116	9	in	in	ADP
cet-15609	116	10	hydrogen	hydrogen	NOUN
cet-15609	116	11	systems	system	NOUN
cet-15609	116	12	;	;	PUNCT
cet-15609	116	13	the	the	DET
cet-15609	116	14	initiation	initiation	NOUN
cet-15609	116	15	and	and	CCONJ
cet-15609	116	16	severity	severity	NOUN
cet-15609	116	17	of	of	ADP
cet-15609	116	18	accidents	accident	NOUN
cet-15609	116	19	may	may	AUX
cet-15609	116	20	not	not	PART
cet-15609	116	21	be	be	AUX
cet-15609	116	22	solely	solely	ADV
cet-15609	116	23	linked	link	VERB
cet-15609	116	24	to	to	ADP
cet-15609	116	25	system	system	NOUN
cet-15609	116	26	operators	operator	NOUN
cet-15609	116	27	but	but	CCONJ
cet-15609	116	28	may	may	AUX
cet-15609	116	29	also	also	ADV
cet-15609	116	30	stem	stem	VERB
cet-15609	116	31	from	from	ADP
cet-15609	116	32	broader	broad	ADJ
cet-15609	116	33	organizational	organizational	ADJ
cet-15609	116	34	knowledge	knowledge	NOUN
cet-15609	116	35	of	of	ADP
cet-15609	116	36	hydrogen	hydrogen	NOUN
cet-15609	116	37	and	and	CCONJ
cet-15609	116	38	its	its	PRON
cet-15609	116	39	applications	application	NOUN
cet-15609	116	40	.	.	PUNCT
cet-15609	117	1	understanding	understand	VERB
cet-15609	117	2	the	the	DET
cet-15609	117	3	limitations	limitation	NOUN
cet-15609	117	4	of	of	ADP
cet-15609	117	5	the	the	DET
cet-15609	117	6	system	system	NOUN
cet-15609	117	7	's	's	PART
cet-15609	117	8	design	design	NOUN
cet-15609	117	9	,	,	PUNCT
cet-15609	117	10	operational	operational	ADJ
cet-15609	117	11	and	and	CCONJ
cet-15609	117	12	maintenance	maintenance	NOUN
cet-15609	117	13	needs	need	NOUN
cet-15609	117	14	,	,	PUNCT
cet-15609	117	15	and	and	CCONJ
cet-15609	117	16	potential	potential	ADJ
cet-15609	117	17	hazards	hazard	NOUN
cet-15609	117	18	to	to	ADP
cet-15609	117	19	personnel	personnel	NOUN
cet-15609	117	20	and	and	CCONJ
cet-15609	117	21	the	the	DET
cet-15609	117	22	public	public	NOUN
cet-15609	117	23	is	be	AUX
cet-15609	117	24	critical	critical	ADJ
cet-15609	117	25	for	for	ADP
cet-15609	117	26	all	all	DET
cet-15609	117	27	stakeholders	stakeholder	NOUN
cet-15609	117	28	.	.	PUNCT
cet-15609	118	1	the	the	DET
cet-15609	118	2	safe	safe	ADJ
cet-15609	118	3	operation	operation	NOUN
cet-15609	118	4	of	of	ADP
cet-15609	118	5	hydrogen	hydrogen	NOUN
cet-15609	118	6	systems	system	NOUN
cet-15609	118	7	is	be	AUX
cet-15609	118	8	a	a	DET
cet-15609	118	9	collective	collective	ADJ
cet-15609	118	10	responsibil	responsibil	NOUN
cet-15609	118	11	ity	ity	PROPN
cet-15609	118	12	that	that	PRON
cet-15609	118	13	requires	require	VERB
cet-15609	118	14	clear	clear	ADJ
cet-15609	118	15	communication	communication	NOUN
cet-15609	118	16	,	,	PUNCT
cet-15609	118	17	specialized	specialized	ADJ
cet-15609	118	18	training	training	NOUN
cet-15609	118	19	,	,	PUNCT
cet-15609	118	20	and	and	CCONJ
cet-15609	118	21	strong	strong	ADJ
cet-15609	118	22	organizational	organizational	ADJ
cet-15609	118	23	control	control	NOUN
cet-15609	118	24	.	.	PUNCT
cet-15609	119	1	personnel	personnel	NOUN
cet-15609	119	2	should	should	AUX
cet-15609	119	3	receive	receive	VERB
cet-15609	119	4	training	training	NOUN
cet-15609	119	5	appropriate	appropriate	ADJ
cet-15609	119	6	to	to	ADP
cet-15609	119	7	their	their	PRON
cet-15609	119	8	roles	role	NOUN
cet-15609	119	9	and	and	CCONJ
cet-15609	119	10	responsibilities	responsibility	NOUN
cet-15609	119	11	.	.	PUNCT
cet-15609	120	1	when	when	SCONJ
cet-15609	120	2	managing	manage	VERB
cet-15609	120	3	large	large	ADJ
cet-15609	120	4	hydrogen	hydrogen	NOUN
cet-15609	120	5	quantities	quantity	NOUN
cet-15609	120	6	,	,	PUNCT
cet-15609	120	7	collaboration	collaboration	NOUN
cet-15609	120	8	with	with	ADP
cet-15609	120	9	local	local	ADJ
cet-15609	120	10	communities	community	NOUN
cet-15609	120	11	and	and	CCONJ
cet-15609	120	12	emergency	emergency	NOUN
cet-15609	120	13	responders	responder	NOUN
cet-15609	120	14	is	be	AUX
cet-15609	120	15	crucial	crucial	ADJ
cet-15609	120	16	.	.	PUNCT
cet-15609	121	1	a	a	DET
cet-15609	121	2	robust	robust	ADJ
cet-15609	121	3	safety	safety	NOUN
cet-15609	121	4	training	training	NOUN
cet-15609	121	5	program	program	NOUN
cet-15609	121	6	is	be	AUX
cet-15609	121	7	necessary	necessary	ADJ
cet-15609	121	8	to	to	PART
cet-15609	121	9	address	address	VERB
cet-15609	121	10	human	human	ADJ
cet-15609	121	11	capabilities	capability	NOUN
cet-15609	121	12	and	and	CCONJ
cet-15609	121	13	limitations	limitation	NOUN
cet-15609	121	14	,	,	PUNCT
cet-15609	121	15	aiming	aim	VERB
cet-15609	121	16	to	to	PART
cet-15609	121	17	prevent	prevent	VERB
cet-15609	121	18	accidents	accident	NOUN
cet-15609	121	19	and	and	CCONJ
cet-15609	121	20	minimize	minimize	VERB
cet-15609	121	21	their	their	PRON
cet-15609	121	22	impact	impact	NOUN
cet-15609	121	23	.	.	PUNCT
cet-15609	122	1	all	all	DET
cet-15609	122	2	individuals	individual	NOUN
cet-15609	122	3	engaged	engage	VERB
cet-15609	122	4	with	with	ADP
cet-15609	122	5	hydrogen	hydrogen	NOUN
cet-15609	122	6	systems	system	NOUN
cet-15609	122	7	,	,	PUNCT
cet-15609	122	8	including	include	VERB
cet-15609	122	9	operators	operator	NOUN
cet-15609	122	10	,	,	PUNCT
cet-15609	122	11	technicians	technician	NOUN
cet-15609	122	12	,	,	PUNCT
cet-15609	122	13	engineers	engineer	NOUN
cet-15609	122	14	,	,	PUNCT
cet-15609	122	15	and	and	CCONJ
cet-15609	122	16	administrators	administrator	NOUN
cet-15609	122	17	,	,	PUNCT
cet-15609	122	18	must	must	AUX
cet-15609	122	19	be	be	AUX
cet-15609	122	20	well	well	ADV
cet-15609	122	21	-	-	PUNCT
cet-15609	122	22	versed	verse	VERB
cet-15609	122	23	in	in	ADP
cet-15609	122	24	the	the	DET
cet-15609	122	25	chemical	chemical	NOUN
cet-15609	122	26	,	,	PUNCT
cet-15609	122	27	physical	physical	ADJ
cet-15609	122	28	,	,	PUNCT
cet-15609	122	29	and	and	CCONJ
cet-15609	122	30	hazardous	hazardous	ADJ
cet-15609	122	31	properties	property	NOUN
cet-15609	122	32	of	of	ADP
cet-15609	122	33	hydrogen	hydrogen	NOUN
cet-15609	122	34	in	in	ADP
cet-15609	122	35	the	the	DET
cet-15609	122	36	context	context	NOUN
cet-15609	122	37	of	of	ADP
cet-15609	122	38	their	their	PRON
cet-15609	122	39	specific	specific	ADJ
cet-15609	122	40	duties	duty	NOUN
cet-15609	122	41	.	.	PUNCT
cet-15609	123	1	operators	operator	NOUN
cet-15609	123	2	should	should	AUX
cet-15609	123	3	be	be	AUX
cet-15609	123	4	proficient	proficient	ADJ
cet-15609	123	5	in	in	ADP
cet-15609	123	6	handling	handle	VERB
cet-15609	123	7	the	the	DET
cet-15609	123	8	equipment	equipment	NOUN
cet-15609	123	9	and	and	CCONJ
cet-15609	123	10	systems	system	NOUN
cet-15609	123	11	under	under	ADP
cet-15609	123	12	their	their	PRON
cet-15609	123	13	responsibility	responsibility	NOUN
cet-15609	123	14	,	,	PUNCT
cet-15609	123	15	with	with	ADP
cet-15609	123	16	training	training	NOUN
cet-15609	123	17	covering	cover	VERB
cet-15609	123	18	emergency	emergency	NOUN
cet-15609	123	19	responses	response	NOUN
cet-15609	123	20	to	to	ADP
cet-15609	123	21	events	event	NOUN
cet-15609	123	22	such	such	ADJ
cet-15609	123	23	as	as	ADP
cet-15609	123	24	unignited	unignited	ADJ
cet-15609	123	25	releases	release	NOUN
cet-15609	123	26	,	,	PUNCT
cet-15609	123	27	fires	fire	NOUN
cet-15609	123	28	,	,	PUNCT
cet-15609	123	29	deflagrations	deflagration	NOUN
cet-15609	123	30	,	,	PUNCT
cet-15609	123	31	or	or	CCONJ
cet-15609	123	32	detonations	detonation	NOUN
cet-15609	123	33	.	.	PUNCT
cet-15609	124	1	furthermore	furthermore	ADV
cet-15609	124	2	,	,	PUNCT
cet-15609	124	3	personnel	personnel	NOUN
cet-15609	124	4	should	should	AUX
cet-15609	124	5	be	be	AUX
cet-15609	124	6	trained	train	VERB
cet-15609	124	7	in	in	ADP
cet-15609	124	8	467	467	NUM
cet-15609	124	9	evacuation	evacuation	NOUN
cet-15609	124	10	procedures	procedure	NOUN
cet-15609	124	11	and	and	CCONJ
cet-15609	124	12	first	first	ADJ
cet-15609	124	13	-	-	PUNCT
cet-15609	124	14	aid	aid	NOUN
cet-15609	124	15	for	for	ADP
cet-15609	124	16	cold	cold	ADJ
cet-15609	124	17	and	and	CCONJ
cet-15609	124	18	cryogenic	cryogenic	ADJ
cet-15609	124	19	injuries	injury	NOUN
cet-15609	124	20	from	from	ADP
cet-15609	124	21	hydrogen	hydrogen	NOUN
cet-15609	124	22	exposure	exposure	NOUN
cet-15609	124	23	.	.	PUNCT
cet-15609	125	1	refresher	refresher	NOUN
cet-15609	125	2	training	training	NOUN
cet-15609	125	3	should	should	AUX
cet-15609	125	4	occur	occur	VERB
cet-15609	125	5	regularly	regularly	ADV
cet-15609	125	6	,	,	PUNCT
cet-15609	125	7	with	with	SCONJ
cet-15609	125	8	annual	annual	ADJ
cet-15609	125	9	reviews	review	NOUN
cet-15609	125	10	of	of	ADP
cet-15609	125	11	the	the	DET
cet-15609	125	12	program	program	NOUN
cet-15609	125	13	to	to	PART
cet-15609	125	14	ensure	ensure	VERB
cet-15609	125	15	its	its	PRON
cet-15609	125	16	alignment	alignment	NOUN
cet-15609	125	17	with	with	ADP
cet-15609	125	18	the	the	DET
cet-15609	125	19	latest	late	ADJ
cet-15609	125	20	safety	safety	NOUN
cet-15609	125	21	practices	practice	NOUN
cet-15609	125	22	and	and	CCONJ
cet-15609	125	23	standards	standard	NOUN
cet-15609	125	24	.	.	PUNCT
cet-15609	126	1	6	6	X
cet-15609	126	2	.	.	X
cet-15609	126	3	conclusion	conclusion	NOUN
cet-15609	126	4	hydrogen	hydrogen	NOUN
cet-15609	126	5	systems	system	NOUN
cet-15609	126	6	,	,	PUNCT
cet-15609	126	7	like	like	ADP
cet-15609	126	8	all	all	DET
cet-15609	126	9	energy	energy	NOUN
cet-15609	126	10	carriers	carrier	NOUN
cet-15609	126	11	,	,	PUNCT
cet-15609	126	12	have	have	VERB
cet-15609	126	13	intrinsic	intrinsic	ADJ
cet-15609	126	14	hazards	hazard	NOUN
cet-15609	126	15	due	due	ADP
cet-15609	126	16	to	to	ADP
cet-15609	126	17	the	the	DET
cet-15609	126	18	nature	nature	NOUN
cet-15609	126	19	of	of	ADP
cet-15609	126	20	the	the	DET
cet-15609	126	21	substance	substance	NOUN
cet-15609	126	22	.	.	PUNCT
cet-15609	127	1	as	as	ADP
cet-15609	127	2	such	such	ADJ
cet-15609	127	3	,	,	PUNCT
cet-15609	127	4	these	these	DET
cet-15609	127	5	systems	system	NOUN
cet-15609	127	6	must	must	AUX
cet-15609	127	7	incorporate	incorporate	VERB
cet-15609	127	8	built	build	VERB
cet-15609	127	9	-	-	PUNCT
cet-15609	127	10	in	in	ADP
cet-15609	127	11	safety	safety	NOUN
cet-15609	127	12	features	feature	NOUN
cet-15609	127	13	to	to	PART
cet-15609	127	14	prevent	prevent	VERB
cet-15609	127	15	and	and	CCONJ
cet-15609	127	16	mitigate	mitigate	VERB
cet-15609	127	17	potential	potential	ADJ
cet-15609	127	18	risks	risk	NOUN
cet-15609	127	19	.	.	PUNCT
cet-15609	128	1	inherent	inherent	ADJ
cet-15609	128	2	safety	safety	NOUN
cet-15609	128	3	must	must	AUX
cet-15609	128	4	guarantee	guarantee	VERB
cet-15609	128	5	a	a	DET
cet-15609	128	6	holistic	holistic	ADJ
cet-15609	128	7	approach	approach	NOUN
cet-15609	128	8	,	,	PUNCT
cet-15609	128	9	ensuring	ensure	VERB
cet-15609	128	10	all	all	DET
cet-15609	128	11	the	the	DET
cet-15609	128	12	risks	risk	NOUN
cet-15609	128	13	related	relate	VERB
cet-15609	128	14	to	to	ADP
cet-15609	128	15	the	the	DET
cet-15609	128	16	lh2	lh2	NOUN
cet-15609	128	17	system	system	NOUN
cet-15609	128	18	to	to	PART
cet-15609	128	19	be	be	AUX
cet-15609	128	20	identified	identify	VERB
cet-15609	128	21	and	and	CCONJ
cet-15609	128	22	properly	properly	ADV
cet-15609	128	23	managed	manage	VERB
cet-15609	128	24	:	:	PUNCT
cet-15609	128	25	this	this	PRON
cet-15609	128	26	typically	typically	ADV
cet-15609	128	27	include	include	VERB
cet-15609	128	28	proper	proper	ADJ
cet-15609	128	29	selection	selection	NOUN
cet-15609	128	30	of	of	ADP
cet-15609	128	31	the	the	DET
cet-15609	128	32	material	material	NOUN
cet-15609	128	33	to	to	PART
cet-15609	128	34	be	be	AUX
cet-15609	128	35	used	use	VERB
cet-15609	128	36	for	for	ADP
cet-15609	128	37	the	the	DET
cet-15609	128	38	equipment	equipment	NOUN
cet-15609	128	39	,	,	PUNCT
cet-15609	128	40	fail	fail	ADJ
cet-15609	128	41	-	-	PUNCT
cet-15609	128	42	safe	safe	ADJ
cet-15609	128	43	design	design	NOUN
cet-15609	128	44	(	(	PUNCT
cet-15609	128	45	e.g.	e.g.	ADV
cet-15609	128	46	,	,	PUNCT
cet-15609	128	47	multiple	multiple	ADJ
cet-15609	128	48	protective	protective	ADJ
cet-15609	128	49	measures	measure	NOUN
cet-15609	128	50	such	such	ADJ
cet-15609	128	51	as	as	ADP
cet-15609	128	52	redundant	redundant	ADJ
cet-15609	128	53	safety	safety	NOUN
cet-15609	128	54	components	component	NOUN
cet-15609	128	55	as	as	ADP
cet-15609	128	56	pressure	pressure	NOUN
cet-15609	128	57	-	-	PUNCT
cet-15609	128	58	relief	relief	NOUN
cet-15609	128	59	devices	device	NOUN
cet-15609	128	60	)	)	PUNCT
cet-15609	128	61	,	,	PUNCT
cet-15609	128	62	automatic	automatic	ADJ
cet-15609	128	63	and	and	CCONJ
cet-15609	128	64	passive	passive	ADJ
cet-15609	128	65	safety	safety	NOUN
cet-15609	128	66	operations	operation	NOUN
cet-15609	128	67	further	far	ADV
cet-15609	128	68	enhancing	enhance	VERB
cet-15609	128	69	the	the	DET
cet-15609	128	70	system	system	NOUN
cet-15609	128	71	’s	’s	PART
cet-15609	128	72	reliability	reliability	NOUN
cet-15609	128	73	,	,	PUNCT
cet-15609	128	74	including	include	VERB
cet-15609	128	75	remote	remote	ADJ
cet-15609	128	76	monitoring	monitoring	NOUN
cet-15609	128	77	of	of	ADP
cet-15609	128	78	critical	critical	ADJ
cet-15609	128	79	parameters	parameter	NOUN
cet-15609	128	80	and	and	CCONJ
cet-15609	128	81	the	the	DET
cet-15609	128	82	ability	ability	NOUN
cet-15609	128	83	to	to	PART
cet-15609	128	84	remotely	remotely	ADV
cet-15609	128	85	operate	operate	VERB
cet-15609	128	86	the	the	DET
cet-15609	128	87	system	system	NOUN
cet-15609	128	88	,	,	PUNCT
cet-15609	128	89	furthermore	furthermore	ADV
cet-15609	128	90	,	,	PUNCT
cet-15609	128	91	the	the	DET
cet-15609	128	92	awareness	awareness	NOUN
cet-15609	128	93	of	of	ADP
cet-15609	128	94	personnel	personnel	NOUN
cet-15609	128	95	involved	involve	VERB
cet-15609	128	96	is	be	AUX
cet-15609	128	97	of	of	ADP
cet-15609	128	98	paramount	paramount	ADJ
cet-15609	128	99	importance	importance	NOUN
cet-15609	128	100	:	:	PUNCT
cet-15609	128	101	they	they	PRON
cet-15609	128	102	shall	shall	AUX
cet-15609	128	103	be	be	AUX
cet-15609	128	104	trained	train	VERB
cet-15609	128	105	to	to	PART
cet-15609	128	106	conduct	conduct	VERB
cet-15609	128	107	normal	normal	ADJ
cet-15609	128	108	operations	operation	NOUN
cet-15609	128	109	as	as	ADV
cet-15609	128	110	well	well	ADV
cet-15609	128	111	as	as	ADP
cet-15609	128	112	for	for	ADP
cet-15609	128	113	any	any	DET
cet-15609	128	114	abnormal	abnormal	ADJ
cet-15609	128	115	condition	condition	NOUN
cet-15609	128	116	.	.	PUNCT
cet-15609	129	1	from	from	ADP
cet-15609	129	2	a	a	DET
cet-15609	129	3	process	process	NOUN
cet-15609	129	4	safety	safety	NOUN
cet-15609	129	5	management	management	NOUN
cet-15609	129	6	(	(	PUNCT
cet-15609	129	7	psm	psm	NOUN
cet-15609	129	8	)	)	PUNCT
cet-15609	129	9	perspective	perspective	NOUN
cet-15609	129	10	,	,	PUNCT
cet-15609	129	11	systematic	systematic	ADJ
cet-15609	129	12	hazard	hazard	NOUN
cet-15609	129	13	identification	identification	NOUN
cet-15609	129	14	and	and	CCONJ
cet-15609	129	15	risk	risk	NOUN
cet-15609	129	16	assessment	assessment	NOUN
cet-15609	129	17	are	be	AUX
cet-15609	129	18	essential	essential	ADJ
cet-15609	129	19	for	for	ADP
cet-15609	129	20	ensuring	ensure	VERB
cet-15609	129	21	the	the	DET
cet-15609	129	22	safety	safety	NOUN
cet-15609	129	23	of	of	ADP
cet-15609	129	24	hydrogen	hydrogen	NOUN
cet-15609	129	25	systems	system	NOUN
cet-15609	129	26	.	.	PUNCT
cet-15609	130	1	hazop	hazop	PROPN
cet-15609	130	2	studies	study	NOUN
cet-15609	130	3	and	and	CCONJ
cet-15609	130	4	atex	atex	PROPN
cet-15609	130	5	analyses	analysis	NOUN
cet-15609	130	6	play	play	VERB
cet-15609	130	7	crucial	crucial	ADJ
cet-15609	130	8	roles	role	NOUN
cet-15609	130	9	in	in	ADP
cet-15609	130	10	this	this	DET
cet-15609	130	11	process	process	NOUN
cet-15609	130	12	.	.	PUNCT
cet-15609	131	1	both	both	DET
cet-15609	131	2	methodologies	methodology	NOUN
cet-15609	131	3	are	be	AUX
cet-15609	131	4	key	key	ADJ
cet-15609	131	5	tools	tool	NOUN
cet-15609	131	6	in	in	ADP
cet-15609	131	7	identifying	identify	VERB
cet-15609	131	8	,	,	PUNCT
cet-15609	131	9	evaluating	evaluating	NOUN
cet-15609	131	10	,	,	PUNCT
cet-15609	131	11	and	and	CCONJ
cet-15609	131	12	managing	managing	NOUN
cet-15609	131	13	process	process	NOUN
cet-15609	131	14	safety	safety	NOUN
cet-15609	131	15	risks	risk	NOUN
cet-15609	131	16	,	,	PUNCT
cet-15609	131	17	helping	help	VERB
cet-15609	131	18	to	to	PART
cet-15609	131	19	prevent	prevent	VERB
cet-15609	131	20	hazardous	hazardous	ADJ
cet-15609	131	21	events	event	NOUN
cet-15609	131	22	before	before	SCONJ
cet-15609	131	23	they	they	PRON
cet-15609	131	24	occur	occur	VERB
cet-15609	131	25	.	.	PUNCT
cet-15609	132	1	proper	proper	ADJ
cet-15609	132	2	implementation	implementation	NOUN
cet-15609	132	3	of	of	ADP
cet-15609	132	4	these	these	DET
cet-15609	132	5	safety	safety	NOUN
cet-15609	132	6	analyses	analysis	NOUN
cet-15609	132	7	,	,	PUNCT
cet-15609	132	8	alongside	alongside	ADP
cet-15609	132	9	robust	robust	ADJ
cet-15609	132	10	psm	psm	NOUN
cet-15609	132	11	systems	system	NOUN
cet-15609	132	12	,	,	PUNCT
cet-15609	132	13	is	be	AUX
cet-15609	132	14	essential	essential	ADJ
cet-15609	132	15	for	for	ADP
cet-15609	132	16	minimizing	minimize	VERB
cet-15609	132	17	risks	risk	NOUN
cet-15609	132	18	and	and	CCONJ
cet-15609	132	19	ensuring	ensure	VERB
cet-15609	132	20	the	the	DET
cet-15609	132	21	safe	safe	ADJ
cet-15609	132	22	operation	operation	NOUN
cet-15609	132	23	of	of	ADP
cet-15609	132	24	liquid	liquid	ADJ
cet-15609	132	25	hydrogen	hydrogen	NOUN
cet-15609	132	26	facilities	facility	NOUN
cet-15609	132	27	.	.	PUNCT
cet-15609	133	1	nomenclature	nomenclature	ADJ
cet-15609	133	2	asme	asme	PROPN
cet-15609	133	3	–	–	PUNCT
cet-15609	133	4	american	american	ADJ
cet-15609	133	5	society	society	NOUN
cet-15609	133	6	of	of	ADP
cet-15609	133	7	mechanical	mechanical	ADJ
cet-15609	133	8	engineers	engineer	NOUN
cet-15609	133	9	atex	atex	PROPN
cet-15609	133	10	–	–	PUNCT
cet-15609	133	11	atmosphères	atmosphère	VERB
cet-15609	133	12	explosibles	explosible	NOUN
cet-15609	133	13	gh2	gh2	VERB
cet-15609	133	14	–	–	PUNCT
cet-15609	133	15	gaseous	gaseous	ADJ
cet-15609	133	16	hydrogen	hydrogen	NOUN
cet-15609	133	17	hazop	hazop	NOUN
cet-15609	133	18	–	–	PUNCT
cet-15609	133	19	hazard	hazard	NOUN
cet-15609	133	20	and	and	CCONJ
cet-15609	133	21	operability	operability	NOUN
cet-15609	133	22	ir	ir	PROPN
cet-15609	133	23	–	–	PUNCT
cet-15609	133	24	infrared	infrared	ADJ
cet-15609	133	25	iso	iso	NOUN
cet-15609	133	26	–	–	PUNCT
cet-15609	133	27	international	international	ADJ
cet-15609	133	28	organization	organization	NOUN
cet-15609	133	29	for	for	ADP
cet-15609	133	30	standardization	standardization	NOUN
cet-15609	133	31	lh2	lh2	NOUN
cet-15609	133	32	–	–	PUNCT
cet-15609	133	33	liquid	liquid	ADJ
cet-15609	133	34	hydrogen	hydrogen	NOUN
cet-15609	133	35	ndt	ndt	PROPN
cet-15609	133	36	–	–	PUNCT
cet-15609	133	37	non	non	ADJ
cet-15609	133	38	-	-	ADJ
cet-15609	133	39	destructive	destructive	ADJ
cet-15609	133	40	testing	testing	NOUN
cet-15609	133	41	nfpa	nfpa	NOUN
cet-15609	133	42	–	–	PUNCT
cet-15609	133	43	national	national	ADJ
cet-15609	133	44	fire	fire	NOUN
cet-15609	133	45	protection	protection	PROPN
cet-15609	133	46	association	association	PROPN
cet-15609	133	47	psm	psm	NOUN
cet-15609	133	48	–	–	PUNCT
cet-15609	133	49	process	process	NOUN
cet-15609	133	50	safety	safety	NOUN
cet-15609	133	51	management	management	NOUN
cet-15609	133	52	ptfe	ptfe	NOUN
cet-15609	133	53	–	–	PUNCT
cet-15609	133	54	polytetrafluoroethylene	polytetrafluoroethylene	NOUN
cet-15609	133	55	tr	tr	VERB
cet-15609	133	56	–	–	PUNCT
cet-15609	133	57	technical	technical	ADJ
cet-15609	133	58	report	report	NOUN
cet-15609	133	59	uv	uv	INTJ
cet-15609	133	60	–	–	PUNCT
cet-15609	133	61	ultraviolet	ultraviolet	ADJ
cet-15609	133	62	references	reference	NOUN
cet-15609	133	63	american	american	PROPN
cet-15609	133	64	society	society	PROPN
cet-15609	133	65	of	of	ADP
cet-15609	133	66	mechanical	mechanical	ADJ
cet-15609	133	67	engineers	engineer	NOUN
cet-15609	133	68	,	,	PUNCT
cet-15609	133	69	2023	2023	NUM
cet-15609	133	70	,	,	PUNCT
cet-15609	133	71	asme	asme	PROPN
cet-15609	133	72	bpvc	bpvc	PROPN
cet-15609	133	73	section	section	PROPN
cet-15609	133	74	v	v	PROPN
cet-15609	133	75	-	-	PUNCT
cet-15609	133	76	nondestructive	nondestructive	ADJ
cet-15609	133	77	examination	examination	NOUN
cet-15609	133	78	carluccio	carluccio	PROPN
cet-15609	133	79	l.m	l.m	PROPN
cet-15609	133	80	.	.	PROPN
cet-15609	133	81	,	,	PUNCT
cet-15609	133	82	gritti	gritti	NOUN
cet-15609	133	83	a.	a.	NOUN
cet-15609	133	84	,	,	PUNCT
cet-15609	133	85	pellegrini	pellegrini	PROPN
cet-15609	133	86	l.	l.	PROPN
cet-15609	133	87	,	,	PUNCT
cet-15609	133	88	2024	2024	NUM
cet-15609	133	89	,	,	PUNCT
cet-15609	133	90	beyond	beyond	ADP
cet-15609	133	91	hazop	hazop	PRON
cet-15609	133	92	:	:	PUNCT
cet-15609	133	93	modelling	modelling	NOUN
cet-15609	133	94	of	of	ADP
cet-15609	133	95	hilp	hilp	ADJ
cet-15609	133	96	(	(	PUNCT
cet-15609	133	97	high	high	ADJ
cet-15609	133	98	intensity	intensity	NOUN
cet-15609	133	99	low	low	ADJ
cet-15609	133	100	probability	probability	NOUN
cet-15609	133	101	)	)	PUNCT
cet-15609	133	102	scenarios	scenario	NOUN
cet-15609	133	103	in	in	ADP
cet-15609	133	104	hydrogen	hydrogen	NOUN
cet-15609	133	105	production	production	NOUN
cet-15609	133	106	and	and	CCONJ
cet-15609	133	107	storage	storage	NOUN
cet-15609	133	108	plants	plant	NOUN
cet-15609	133	109	,	,	PUNCT
cet-15609	133	110	chemical	chemical	NOUN
cet-15609	133	111	engineering	engineering	NOUN
cet-15609	133	112	transactions	transaction	NOUN
cet-15609	133	113	,	,	PUNCT
cet-15609	133	114	111	111	NUM
cet-15609	133	115	,	,	PUNCT
cet-15609	133	116	397	397	NUM
cet-15609	133	117	-	-	SYM
cet-15609	133	118	402	402	NUM
cet-15609	133	119	.	.	PUNCT
cet-15609	134	1	directive	directive	NOUN
cet-15609	134	2	2014/68	2014/68	NUM
cet-15609	134	3	/	/	SYM
cet-15609	134	4	eu	eu	PROPN
cet-15609	134	5	of	of	ADP
cet-15609	134	6	the	the	DET
cet-15609	134	7	european	european	ADJ
cet-15609	134	8	parliament	parliament	NOUN
cet-15609	134	9	and	and	CCONJ
cet-15609	134	10	of	of	ADP
cet-15609	134	11	the	the	DET
cet-15609	134	12	council	council	NOUN
cet-15609	134	13	of	of	ADP
cet-15609	134	14	15	15	NUM
cet-15609	134	15	may	may	PROPN
cet-15609	134	16	2014	2014	NUM
cet-15609	134	17	on	on	ADP
cet-15609	134	18	the	the	DET
cet-15609	134	19	harmonisation	harmonisation	NOUN
cet-15609	134	20	of	of	ADP
cet-15609	134	21	the	the	DET
cet-15609	134	22	laws	law	NOUN
cet-15609	134	23	of	of	ADP
cet-15609	134	24	the	the	DET
cet-15609	134	25	member	member	NOUN
cet-15609	134	26	states	state	NOUN
cet-15609	134	27	relating	relate	VERB
cet-15609	134	28	to	to	ADP
cet-15609	134	29	the	the	DET
cet-15609	134	30	making	making	NOUN
cet-15609	134	31	available	available	ADJ
cet-15609	134	32	on	on	ADP
cet-15609	134	33	the	the	DET
cet-15609	134	34	market	market	NOUN
cet-15609	134	35	of	of	ADP
cet-15609	134	36	pressure	pressure	NOUN
cet-15609	134	37	equipment	equipment	NOUN
cet-15609	134	38	international	international	ADJ
cet-15609	134	39	organization	organization	NOUN
cet-15609	134	40	for	for	ADP
cet-15609	134	41	standard	standard	NOUN
cet-15609	134	42	,	,	PUNCT
cet-15609	134	43	2015	2015	NUM
cet-15609	134	44	,	,	PUNCT
cet-15609	134	45	iso	iso	NOUN
cet-15609	134	46	/	/	PUNCT
cet-15609	134	47	tr	tr	VERB
cet-15609	134	48	15916	15916	NUM
cet-15609	134	49	,	,	PUNCT
cet-15609	134	50	basic	basic	ADJ
cet-15609	134	51	considerations	consideration	NOUN
cet-15609	134	52	for	for	ADP
cet-15609	134	53	the	the	DET
cet-15609	134	54	safety	safety	NOUN
cet-15609	134	55	of	of	ADP
cet-15609	134	56	hydrogen	hydrogen	NOUN
cet-15609	134	57	systems	system	NOUN
cet-15609	134	58	,	,	PUNCT
cet-15609	134	59	geneva	geneva	PROPN
cet-15609	134	60	,	,	PUNCT
cet-15609	134	61	switzerland	switzerland	PROPN
cet-15609	134	62	international	international	PROPN
cet-15609	134	63	organization	organization	PROPN
cet-15609	134	64	for	for	ADP
cet-15609	134	65	standard	standard	NOUN
cet-15609	134	66	,	,	PUNCT
cet-15609	134	67	2022	2022	NUM
cet-15609	134	68	,	,	PUNCT
cet-15609	134	69	en	en	ADP
cet-15609	134	70	iso	iso	NOUN
cet-15609	134	71	17636	17636	NUM
cet-15609	134	72	-	-	SYM
cet-15609	134	73	1	1	NUM
cet-15609	134	74	,	,	PUNCT
cet-15609	134	75	non	non	ADJ
cet-15609	134	76	-	-	ADJ
cet-15609	134	77	destructive	destructive	ADJ
cet-15609	134	78	testing	testing	NOUN
cet-15609	134	79	of	of	ADP
cet-15609	134	80	welds	weld	NOUN
cet-15609	134	81	radiographic	radiographic	ADJ
cet-15609	134	82	testing	testing	NOUN
cet-15609	134	83	part	part	NOUN
cet-15609	134	84	1	1	NUM
cet-15609	134	85	:	:	PUNCT
cet-15609	134	86	xand	xand	ADV
cet-15609	135	1	gamma	gamma	PROPN
cet-15609	135	2	-	-	PUNCT
cet-15609	135	3	ray	ray	NOUN
cet-15609	135	4	techniques	technique	NOUN
cet-15609	135	5	with	with	ADP
cet-15609	135	6	film	film	NOUN
cet-15609	135	7	,	,	PUNCT
cet-15609	135	8	geneva	geneva	PROPN
cet-15609	135	9	,	,	PUNCT
cet-15609	135	10	switzerland	switzerland	PROPN
cet-15609	135	11	international	international	PROPN
cet-15609	135	12	organization	organization	PROPN
cet-15609	135	13	for	for	ADP
cet-15609	135	14	standard	standard	NOUN
cet-15609	135	15	,	,	PUNCT
cet-15609	135	16	2022	2022	NUM
cet-15609	135	17	,	,	PUNCT
cet-15609	135	18	en	en	ADP
cet-15609	135	19	iso	iso	NOUN
cet-15609	135	20	17636	17636	NUM
cet-15609	135	21	-	-	SYM
cet-15609	135	22	2	2	NUM
cet-15609	135	23	,	,	PUNCT
cet-15609	135	24	non	non	ADJ
cet-15609	135	25	-	-	ADJ
cet-15609	135	26	destructive	destructive	ADJ
cet-15609	135	27	testing	testing	NOUN
cet-15609	135	28	of	of	ADP
cet-15609	135	29	welds	weld	NOUN
cet-15609	135	30	radiographic	radiographic	ADJ
cet-15609	135	31	testing	testing	NOUN
cet-15609	135	32	part	part	NOUN
cet-15609	135	33	2	2	NUM
cet-15609	135	34	:	:	PUNCT
cet-15609	135	35	xand	xand	ADV
cet-15609	135	36	gamma	gamma	PROPN
cet-15609	135	37	-	-	PUNCT
cet-15609	135	38	ray	ray	NOUN
cet-15609	135	39	techniques	technique	NOUN
cet-15609	135	40	with	with	ADP
cet-15609	135	41	digital	digital	ADJ
cet-15609	135	42	detectors	detector	NOUN
cet-15609	135	43	,	,	PUNCT
cet-15609	135	44	geneva	geneva	PROPN
cet-15609	135	45	,	,	PUNCT
cet-15609	135	46	switzerland	switzerland	PROPN
cet-15609	135	47	international	international	PROPN
cet-15609	135	48	organization	organization	PROPN
cet-15609	135	49	for	for	ADP
cet-15609	135	50	standard	standard	NOUN
cet-15609	135	51	,	,	PUNCT
cet-15609	135	52	2017	2017	NUM
cet-15609	135	53	,	,	PUNCT
cet-15609	135	54	iso	iso	NOUN
cet-15609	135	55	21010	21010	NUM
cet-15609	135	56	,	,	PUNCT
cet-15609	135	57	cryogenic	cryogenic	NOUN
cet-15609	135	58	vessels	vessel	NOUN
cet-15609	135	59	gas	gas	NOUN
cet-15609	135	60	/	/	SYM
cet-15609	135	61	material	material	NOUN
cet-15609	135	62	compatibility	compatibility	NOUN
cet-15609	135	63	,	,	PUNCT
cet-15609	135	64	geneva	geneva	PROPN
cet-15609	135	65	,	,	PUNCT
cet-15609	135	66	switzerland	switzerland	PROPN
cet-15609	135	67	international	international	PROPN
cet-15609	135	68	organization	organization	PROPN
cet-15609	135	69	for	for	ADP
cet-15609	135	70	standard	standard	NOUN
cet-15609	135	71	,	,	PUNCT
cet-15609	135	72	2024	2024	NUM
cet-15609	135	73	,	,	PUNCT
cet-15609	135	74	en	en	X
cet-15609	135	75	iso	iso	NOUN
cet-15609	135	76	21012	21012	NUM
cet-15609	135	77	,	,	PUNCT
cet-15609	135	78	cryogenic	cryogenic	NOUN
cet-15609	135	79	vessels	vessel	NOUN
cet-15609	135	80	hoses	hose	NOUN
cet-15609	135	81	,	,	PUNCT
cet-15609	135	82	geneva	geneva	PROPN
cet-15609	135	83	,	,	PUNCT
cet-15609	135	84	switzerland	switzerland	PROPN
cet-15609	135	85	international	international	PROPN
cet-15609	135	86	organization	organization	PROPN
cet-15609	135	87	for	for	ADP
cet-15609	135	88	standard	standard	NOUN
cet-15609	135	89	,	,	PUNCT
cet-15609	135	90	2016	2016	NUM
cet-15609	135	91	,	,	PUNCT
cet-15609	135	92	en	en	ADP
cet-15609	135	93	iso	iso	NOUN
cet-15609	135	94	21028	21028	NUM
cet-15609	135	95	-	-	SYM
cet-15609	135	96	1	1	NUM
cet-15609	135	97	,	,	PUNCT
cet-15609	135	98	cryogenic	cryogenic	NOUN
cet-15609	135	99	vessels	vessel	NOUN
cet-15609	135	100	toughness	toughness	NOUN
cet-15609	135	101	requirements	requirement	NOUN
cet-15609	135	102	for	for	ADP
cet-15609	135	103	materials	material	NOUN
cet-15609	135	104	at	at	ADP
cet-15609	135	105	cryogenic	cryogenic	ADJ
cet-15609	135	106	temperature	temperature	NOUN
cet-15609	135	107	part	part	NOUN
cet-15609	135	108	1	1	NUM
cet-15609	135	109	:	:	PUNCT
cet-15609	135	110	temperatures	temperature	NOUN
cet-15609	135	111	below	below	ADP
cet-15609	135	112	-80	-80	PUNCT
cet-15609	135	113	°	°	PROPN
cet-15609	135	114	c	c	PROPN
cet-15609	135	115	,	,	PUNCT
cet-15609	135	116	geneva	geneva	PROPN
cet-15609	135	117	,	,	PUNCT
cet-15609	135	118	switzerland	switzerland	PROPN
cet-15609	135	119	national	national	PROPN
cet-15609	135	120	fire	fire	PROPN
cet-15609	135	121	protection	protection	PROPN
cet-15609	135	122	association	association	PROPN
cet-15609	135	123	,	,	PUNCT
cet-15609	135	124	2023	2023	NUM
cet-15609	135	125	,	,	PUNCT
cet-15609	135	126	nfpa	nfpa	NOUN
cet-15609	135	127	2	2	NUM
cet-15609	135	128	,	,	PUNCT
cet-15609	135	129	hydrogen	hydrogen	NOUN
cet-15609	135	130	technologies	technology	NOUN
cet-15609	135	131	code	code	PROPN
cet-15609	135	132	,	,	PUNCT
cet-15609	135	133	468	468	NUM
cet-15609	135	134	47carluccio.pdf	47carluccio.pdf	NUM
cet-15609	135	135	ensuring	ensure	VERB
cet-15609	135	136	safety	safety	NOUN
cet-15609	135	137	in	in	ADP
cet-15609	135	138	liquid	liquid	ADJ
cet-15609	135	139	hydrogen	hydrogen	NOUN
cet-15609	135	140	operations	operation	NOUN
cet-15609	135	141	:	:	PUNCT
cet-15609	135	142	understanding	understand	VERB
cet-15609	135	143	hazards	hazard	NOUN
cet-15609	135	144	and	and	CCONJ
cet-15609	135	145	mitigating	mitigate	VERB
cet-15609	135	146	risks	risk	NOUN
