About: http://webisa.webdatacommons.org/451291978

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	In addition to nitrogen other odorless gasses may be used as a mixing medium, such as air or an inert gas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com