Car and windlass: what they have in common

1. Step 1. Car — has part — Car battery. A battery.
2. Step 2. Car battery — is used in — Starter motor. Power.
3. Step 3. Starter motor — evolved from — Crank. It replaced the starting crank.
4. Step 4. Crank — is used in — Windlass. The handle of a windlass is a crank.

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