PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The U.S. Army Corps of Engineers and U.S. Navy have both tested and approved the use of epoxy pipe lining to prevent contaminants, including lead, from leaching into drinking water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • leaky-pipe.com