PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • do not get hung up on measuring wear if the machine still produces results which are acceptable for your sort of work.
http://www.w3.org/ns/prov#wasQuotedFrom
  • homeshopmachinist.net