Lunokhod und rolling mill: was sie gemeinsam haben

1. Schritt 1. Lunokhod — hat als Teil — Wheel. Wheels.
2. Schritt 2. Wheel — umfasst — Water wheel. A water wheel is a wheel with paddles turned by flowing water.
3. Schritt 3. Water wheel — wird verwendet in — Rolling mill. The first mills were turned by water.

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