A device for lifting or lowering objects suspended from a hook at the end of a retractable chain or cable is called

A device for lifting or lowering objects suspended from a hook at the end of a retractable chain or cable is called

(a) Hoist (b) jib crane

(c) Chain conveyor (d) Elevator

A device for lifting or lowering objects suspended from a hook at the end of a retractable chain or cable is called

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