<http://webisa.webdatacommons.org/prov/15931490>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/174692913> .
<http://webisa.webdatacommons.org/174692913>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/174692913>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<competitor.com> .
<http://webisa.webdatacommons.org/prov/362034504>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/174692913> .
<http://webisa.webdatacommons.org/174692913>	<http://www.w3.org/ns/prov#value>	"Galling is common with threads made of stainless steel, aluminum, titanium, magnesium, and other alloys which self-generate a protective oxide surface film." .