PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fittings - Tees, elbows, crosses, plugs, and other parts that fit pipe to manifolds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalspec.com