About: http://webisa.webdatacommons.org/425699066

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 core fluid preferably is a gas such as nitrogen, argon, air, carbon dioxide, or other inert gas.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com