PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • via precipitation back to earth, and through runoff into streams, rivers, and lakes, and ultimately into the oceans.Impermeable layer: a layer of solid material, such as rock or clay, which does not allow water to pass through.Industrial water use: water used for industrial purposes in such industries as steel, chemical, paper, and petroleum refining.
http://www.w3.org/ns/prov#wasQuotedFrom
  • waterpumpsupply.com