About: http://webisa.webdatacommons.org/50466329

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	Other oxygen containing mixtures such as air plus carbon dioxide or other inert gas may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com