About: http://webisa.webdatacommons.org/227379731

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	Typically, fuel tank venting systems use valves such as pressure operated control valves, volume operated control or shutoff valves, or rollover valves, to control the passage of vapor to an evaporative emission system.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com