About: http://webisa.webdatacommons.org/235163239

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	Other metals such as nickel, gold, silver and aluminum may also be used in place of copper.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr