About: http://webisa.webdatacommons.org/297444796

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 vent valve 32 is a two-way valve incorporated in an exhaust vent conduit 30 for controlling venting and accumulation of carbon dioxide (in conjunction with the air inlet valve) into a gas plenum 34.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au