PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Apparently lead from electronics comprises less than 1% of lead used, the rest coming mainly from batteries and CRT monitors (although the disposal of these is much more controlled).
http://www.w3.org/ns/prov#wasQuotedFrom
  • curiousinventor.com