PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the surface of the vehicle contains toxic metals such as lead, cadmium, or chromium, exposure to these metals is possible.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osha.gov