PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Various face treatments can be applied to the sealing faces such as slots, grooves, waviness or special lapping processes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pumpsandsystems.com