PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lubricants and other additives are used to increase the dispersal of the propant and the degree of fracturing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • preserveourparadise.org