PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heat treating is a well known process that involves heating and cooling of a metal in the solid state for the purpose of obtaining certain desirable properties including increased hardness.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es