CHAINS

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A chain is a series of connected links, usually made of metal.

Chains are usually made in one of two styles, according to their intended use:

• Those designed for lifting, such as when used with a hoist, or for securing, such as with a bicycle lock, have links that are torus shaped, which makes the chain flexible in two dimensions.

• Those designed for transferring power in machines have links designed to mesh with the teeth of the sprockets of the machine, and are flexible in only one dimension. They are known as Roller chains, typically used with anchors, rope and a windlass.

Ships anchor chain

Chains can also be decorative as jewellery.

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