<http://webisa.webdatacommons.org/429156038>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<trainelectronics.com> .
<http://webisa.webdatacommons.org/429156038>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/337424224>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/429156038> .
<http://webisa.webdatacommons.org/429156038>	<http://www.w3.org/ns/prov#value>	"A DPDT relay is used to provide two NO SPST contacts that can be used to activate sounds or other accessories." .