About: http://webisa.webdatacommons.org/114090436

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	However, other gases such as but not limited to nitrogen, carbon dioxide, or other similar atmospheric gases might be used.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com