PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The radiative antenna elements are comprised of an electrically conductive material and, depending on the frequencies and allowable losses, can be manufactured from a metal coated plastic (or vice versa), copper, brass, aluminum or steel or other conductive materials known to those skilled in the art.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com