PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thus, it is possible that the anterior and posterior surfaces 122 a and 122 b that can be formed of different materials such as silicone and PMMA. The lens optic, depending on the material, can be injection-molded, fabricated with casting techniques or turned by a lathe as is known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk