<http://webisa.webdatacommons.org/414689537>	<http://www.w3.org/ns/prov#value>	"refining other metals, such as copper and silver." .
<http://webisa.webdatacommons.org/prov/114840448>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/414689537> .
<http://webisa.webdatacommons.org/414689537>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/122776855>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/414689537> .
<http://webisa.webdatacommons.org/414689537>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<define.com> .