- groupsofmenworkinginrelaysHisquestionersworkedonhiminrelays.Rescuersworkedinrelaystosavethetrappedminers.Runninginrelaystotirepreyorwaitinginambushwhileotherschasepreytowardit....
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- Electrotechnicalterminology--ElectricalrelaysThreerelays:FanOperation,Alarm,Skip.Semiconductorswitchesactuatereedrelaysforsignalcircuitsorpowerrelaysforotherfunctions.Rescuersworkedinrelaystosavethetrappedminers.Theisolated,orindependent,switchconfig...
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