About: http://webisa.webdatacommons.org/81713042

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	An inert gas such as nitrogen or carbon dioxide may be added to expansion area 32 in order to eliminate chemical changes caused by oxidation of the heat storage liquid 30 within vessel A.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com