About: http://webisa.webdatacommons.org/315175144

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	On the list are such metals as steel (various grades), aluminum (various grades), tin, copper, brass and bronze.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk