id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-5933		cet-5933		6	.pdf	application/pdf	3685	166	45	The definition of 3D obstructed regions in the Geographical Information System (GIS) • Consideration of the degree of overlap between the flammable cloud and the obstructed region to accurately determine the explosive mass and location • Consideration of critical separation distance between defined obstructed regions. Environmental considerations include the presence of areas of congestion and confinement (obstructed regions).	cache/cet-5933.pdf	txt/cet-5933.txt