PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Preferred plastic materials are acetals, polypropylenes, polycarbonates, ABS polymers and copolymers, polysulfones, and polyetherimides, acetals, polypropylenes, polycarbonates, and FDA approved elastomeric materials such as silicone.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com