<http://webisa.webdatacommons.org/35464526>	<http://www.w3.org/ns/prov#value>	"Other cutting materials such as ceramics or diamond are too expensive for drill shafts." .
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<http://webisa.webdatacommons.org/prov/44787938>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/35464526> .
<http://webisa.webdatacommons.org/35464526>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/44773408>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/35464526> .