PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The typical rotary drag drill bit such as that used in the production of oil, gas and other natural resources employs a plurality of abrasion cutting elements which are rigidly connected or bonded to the body of the drill bit.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com