PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PIPELINE GAS ??? Gas under sufficient pressure to enter the high-pressure gas lines of a purchaser; gas sufficiently dry so that liquid hydrocarbons ??? natural gasoline, butane, and other gas liquids usually present in natural gas ??? will not condense or drop out in the transmission lines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • foxoildrilling.com