PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cannula 150 is preferably made of radiolucent material such as plastic or carbon fiber, while awl and probe 152, and other tool attachments and inserts are all preferably made of metal such as surgical steel, titanium, or other durable, radio opaque material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com