<http://webisa.webdatacommons.org/prov/270315232>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/230958577> .
<http://webisa.webdatacommons.org/230958577>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/230958577>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .
<http://webisa.webdatacommons.org/230958577>	<http://www.w3.org/ns/prov#value>	"Self-cleaning switch contacts include wiping contacts and other devices which do not permit a build-up of resistance." .