PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natrium is designed to separate the natural gas liquids into industrial-quality propane, butane, ethane and other products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • frackcheckwv.net