PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • End uses include the recovery of precious metals such as palladium, gold and silver, and the removal of highly toxic elements such as mercury to trace levels to comply with strict environmental regulations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nanotech-now.com