PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Where the force is a mechanical force, the flow of the fluid through the valve's one or more fluid passages is started, stopped, or regulated, by a movable mechanical part which respectively opens, shuts, or partially obstructs, the valve's one or more fluid passages.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com