About: http://webisa.webdatacommons.org/314431413

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	Interposed between the fan and the combustion chamber is an intake and/or exhaust valve 48 which is normally open to circulate fresh air through the combustion chamber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com