<http://webisa.webdatacommons.org/375050463>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .
<http://webisa.webdatacommons.org/375050463>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/375050463>	<http://www.w3.org/ns/prov#value>	"Since they contain no moving components such as ball bearings, they are extremely dirt resistant and show no evidence of operational wear." .
<http://webisa.webdatacommons.org/prov/320349790>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/375050463> .