About: http://webisa.webdatacommons.org/212923294

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	metal is not limited to copper and may be other metals, such as gold, silver, tin, nickel, tungsten, lead, copper alloys (e.g., Cu--P) and solder.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com