PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contents: 6 chapters and 2 self-check quizzes covering hydrostatic testing of piping systems and equipment, initial service leak testing and leak testing of field-erected tanks, casings, precipitators, scrubbers, duct work, and other equipment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • asnt.org