About: http://webisa.webdatacommons.org/79079838

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	(b) Non-ferrous metals are those which have a metal other than iron as their main
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com