Tuesday, 31 January 2012
Electronics, Technology, Bussiness and Health: PRATHAP: RELAY (LOCK/UN-LOCK UNIT)
Electronics, Technology, Bussiness and Health: PRATHAP: RELAY (LOCK/UN-LOCK UNIT): PRATHAP: RELAY (LOCK/UN-LOCK UNIT) : A relay is an electrical switch that opens and closes under the control of another electrical circuit. ...
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