<http://webisa.webdatacommons.org/prov/387773306>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/356019429> .
<http://webisa.webdatacommons.org/356019429>	<http://www.w3.org/ns/prov#value>	"such devices as limit switches, proximity detectors, photoelectric detectors, external high" .
<http://webisa.webdatacommons.org/356019429>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/486311220>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/356019429> .
<http://webisa.webdatacommons.org/356019429>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .