PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As the world continues to grow increasingly dependent on the world of IT and computers, the volume of electronic waste is rising, and with it comes a new threat ??? risk of ??exposure to lead, cadmium, chromium and other hazardous materials that can be toxic to human health and the environment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemhelpdesk.com