PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In most mechanical and boiler rooms, pipes and fittings such as elbows and tees are insulated with conventional pipe insulation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • insulation.org