PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • oxides, metal nitrides, silicon nitride, metal carbides such as silicon carbide, carbons, metal powders, and mixtures thereof which afford the coating increased toughness and resistance to wear, chipping and cracking.
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com