id	keyword
cet-14676	lng
cet-14676	gas
cet-14676	projects
cet-14676	hydrogen
cet-14676	green
cet-14676	european
cet-14676	storage
cet-14676	safety
cet-14676	systems
cet-14676	substances
cet-14676	transition
cet-14676	regasification
cet-14676	orc