Electrolyte and windlass: what they have in common
- Step 1. Electrolyte — is material for — Car battery. Sulfuric acid is the electrolyte.
- Step 2. Car battery — is used in — Starter motor. Power.
- Step 3. Starter motor — evolved from — Crank. It replaced the starting crank.
- Step 4. Crank — is used in — Windlass. The handle of a windlass is a crank.