About: http://webisa.webdatacommons.org/409361421

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 term gas" is intended to include a gas or a combination of gases, such as air.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com