PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The conductor layers 40A, 41A and 42A are each formed from carbon black, copper, silver, gold or the like, and have a thickness of for example approximately 40 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au