About: http://webisa.webdatacommons.org/157346140

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	It is also within the scope of the invention to employ pure oxygen diluted with other gases, such as carbon dioxide and helium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com