In thermal power plants, coal is transferred from bunker to the other places by [IES-1992] (a) Hoists (b) conveyors (c) cranes (d) lifts

In thermal power plants, coal is transferred from bunker to the other places by [IES-1992] (a) Hoists (b) conveyors (c) cranes (d) lifts 
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(b) conveyors
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