Roller: A typical pulley has a slot for a belt, chain or cable. A reel is a wider pulley generally employed in cable techniques, enabling the cable to be wound all around several instances the diameter of the reel.
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Roller: A typical pulley has a slot for a belt, chain or cable. A reel is a wider pulley generally employed in cable techniques, enabling the cable to be wound all around several instances the diameter of the reel.