Sidecar chassis and windlass: what they have in common

1. Step 1. Sidecar chassis — is part of — Sidecar motorcycle. The mounting to the motorcycle.
2. Step 2. Sidecar motorcycle — has part — Wheel. A third wheel.
3. Step 3. Wheel — is used in — Windlass. A windlass is a wheel and axle used as a simple machine.

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