About: http://webisa.webdatacommons.org/15139316

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 passageway 72 is connected through an orifice member 136 in such a manner as to exert pressure therein against a piston or slug 138 that is movable in the housing 70.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com