About: http://webisa.webdatacommons.org/208939360

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	The circuit board on the phone can be made of copper, gold, lead, zinc, beryllium, tantalum, coltan, and other raw materials which require significant energy to mine and manufacture.
http://www.w3.org/ns/prov#wasQuotedFrom	celsias.com