PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For this reason, manufacturers have been on a quest to use steels that are easier to machine and kinder to cutting tools than even plain carbon steel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thefabricator.com