Windlass and car: what they have in common

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

Open Evothings