PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • establishing job requirements from drawings and specifications, and laying out installation reference points drilling holes, installing mounting brackets and cutting, bending and threading piping installing and repairing components such as compressors, motors, condensers, evaporators, switches and gauges, and copper lines for steam, gas, refrigerant, compressed air, oil and chilled water bolting,
http://www.w3.org/ns/prov#wasQuotedFrom
  • abs.gov.au