About: http://webisa.webdatacommons.org/346695666

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	Elements such as gold and tungsten are vital in the manufacture of computer chips but are often mined and smelted in countries such as the Democratic Republic of the Congo Photo: Alamy
http://www.w3.org/ns/prov#wasQuotedFrom	telegraph.co.uk