What curved piece of metal supports a loop of rope and protects it from wear and abrasion?

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Multiple Choice

What curved piece of metal supports a loop of rope and protects it from wear and abrasion?

Explanation:
The key idea is protecting a rope loop from wear as it bears load. A thimble is a curved metal piece placed inside the eye of the rope loop. It provides a smooth, hardened surface for the rope to bend around, keeping the fibers from flattening, kinking, or fraying at the edge and helping the loop hold its shape under load. The other items have different roles: a grommet reinforces holes in material, a bushing reduces friction between moving parts, and a sheave is a wheel used to guide a rope.

The key idea is protecting a rope loop from wear as it bears load. A thimble is a curved metal piece placed inside the eye of the rope loop. It provides a smooth, hardened surface for the rope to bend around, keeping the fibers from flattening, kinking, or fraying at the edge and helping the loop hold its shape under load. The other items have different roles: a grommet reinforces holes in material, a bushing reduces friction between moving parts, and a sheave is a wheel used to guide a rope.

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