<http://webisa.webdatacommons.org/13801438>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/13801438>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<rockproducts.com> .
<http://webisa.webdatacommons.org/prov/198389890>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/13801438> .
<http://webisa.webdatacommons.org/13801438>	<http://www.w3.org/ns/prov#value>	"They feature an electromagnetic design that has no moving parts such as shafts, cams or bearings, thus eliminating the need for lubrication." .