PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition to being applied to selected areas on surfaces of drill bits and drilling tools that are subjected to wear, the abrasive wear-resistant materials according to embodiments of the invention may be used to protect structural features or materials of drill bits and drilling tools that are relatively more prone to wear, including the examples presented above.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com