<http://webisa.webdatacommons.org/prov/292035098>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138362057> .
<http://webisa.webdatacommons.org/138362057>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/138362057>	<http://www.w3.org/ns/prov#value>	"The hard metal is a composite material used in several areas of machining, mining and construction and can be applied directly to components of drilling e [...] quipment for oil and gas." .
<http://webisa.webdatacommons.org/138362057>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<worldwidescience.org> .