About: http://webisa.webdatacommons.org/187048263

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	Mobile phones contain base metals such as copper, cobalt, silver and gold, which could represent about 23 percent of the weight of a phone, the U.N. said.
http://www.w3.org/ns/prov#wasQuotedFrom	goodgearguide.com.au