About: http://webisa.webdatacommons.org/444437859

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 air expelled through the exhaust 20 is referred to as system air, i.e. air that is not introduced from outside the system 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com