About: http://webisa.webdatacommons.org/340106402

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 Ag, Al, Cr, etc. may be available, and a used metal is not limited particularly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com