About: http://webisa.webdatacommons.org/256081362

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Process gases, including carbon dioxide, hydrogen, carbon monoxide, helium and acetylene are produced by methods other than air separation.
http://www.w3.org/ns/prov#wasQuotedFrom	wikinvest.com