Lunokhod e rolling mill: o que têm em comum

1. Passo 1. Lunokhod — tem como parte — Wheel. Wheels.
2. Passo 2. Wheel — inclui — Water wheel. A water wheel is a wheel with paddles turned by flowing water.
3. Passo 3. Water wheel — é utilizado em — Rolling mill. The first mills were turned by water.

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