PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The back plate may be made of a suitable material such as wood or plastic, with due regard in the selection of back plate material to the effect of contact with the caustic regeneration solution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com