About: http://webisa.webdatacommons.org/336880384

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	Rather than copper, other metals, such as gold or nickel, may also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com