Bicycle wheel and shaduf: what they have in common

1. Step 1. Bicycle wheel — is a kind of — Wheel. A kind of wheel.
2. Step 2. Wheel — is used in — Windlass. A windlass is a wheel and axle used as a simple machine.
3. Step 3. Windlass — is used in — Well. The bucket was raised with a windlass.
4. Step 4. Well — uses — Shaduf. Or with a well sweep.

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