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nounelectrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
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nouna race between teams; each member runs or swims part of the distance
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nouna crew of workers who relieve another crewtype of:
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nouna fresh team to relieve weary draft animalstype of:
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verbcontrol or operate by relay
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verbpass alongtype of:
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nounthe act of passing something along from one person or group to anothertype of: