About: http://webisa.webdatacommons.org/198261369

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A switching device such as a transistor or a relay switch may be used as the switching device 14.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk