PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If of transparent material it may preferably be of polycarbonate or other similar material to resist breakage.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com