PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • lead, mercury, cadmium, chromium and other heavy metals that are contained in the components of almost every electronic device, These metals could pollute groundwater, surface water or
http://www.w3.org/ns/prov#wasQuotedFrom
  • webs.com