PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tungsten alloy is a metal laminated material and in tungsten carbide and titanium carbide as raw material made of hard materials, such hard materials will enable smooth and bright surface of titanium alloy of tungsten, while the bonding material is given a very high mechanical stability.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mainfroy.com