About: http://webisa.webdatacommons.org/193065589

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	The injected gas can be air or an inert gas such as nitrogen, carbon dioxide, argon, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com