About: http://webisa.webdatacommons.org/80773156

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	However, other metals, such as silver, gold, aluminum, and combinations thereof, may also be included.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com