About: http://webisa.webdatacommons.org/76333758

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	???Unlike many other commodities, copper is a heavy-weight and difficult to transfer commodity - a highly illiquid one.???
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com