About: http://webisa.webdatacommons.org/144013377

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	rizing gases, such as a carbon dioxide gas, an oxygen gas, a hydrogen gas, and a methane tetrafluoride gas may be utilized.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com