About: http://webisa.webdatacommons.org/242459911

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	One commonly available source of compressed gas 302 is air, although other gases such as nitrogen, carbon dioxide, helium, or vapor can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com