About: http://webisa.webdatacommons.org/124351360

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	Sulphides, oxides and carbonates are the most important ores.Copper and Copper alloys are some of the most versatile engineering materials available.
http://www.w3.org/ns/prov#wasQuotedFrom	aalco.co.uk