About: http://webisa.webdatacommons.org/215523939

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	But, for most types of metal, the overall value doesn???t drop drastically.
http://www.w3.org/ns/prov#wasQuotedFrom	opin.info