About: http://webisa.webdatacommons.org/228830808

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 possible to use another gas such as carbon dioxide, in which case it normally would be stored as a liquid and a high-pressure pump would be needed to raise it to the desired pressure once gasified.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com