PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compared with other rapid prototyping methods, this technology can produce parts from a relatively wide range of materials, such as plastic, metal, ceramic, or glass.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stratasys.com