PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Half of the standards in this volume are specifications that establish standard property requirements for plastic pipe, tubing, and fittings, including ABS, CPVC, PB, PVC, polyethylene, reinforced thermosetting, and styrene-rubber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • environmental-expert.com