<http://webisa.webdatacommons.org/prov/253474562>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/232482168> .
<http://webisa.webdatacommons.org/prov/387906729>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/232482168> .
<http://webisa.webdatacommons.org/232482168>	<http://www.w3.org/ns/prov#value>	"Usually mining and extraction are the greatest energy and pollution generating periods of a device's life." .
<http://webisa.webdatacommons.org/232482168>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<slashdot.org> .
<http://webisa.webdatacommons.org/232482168>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .