Pot lid e rolling mill: o que têm em comum

1. Passo 1. Pot lid — faz parte de — Saucepan. A cap.
2. Passo 2. Saucepan — evoluiu de — Pottery. The first pots were ceramic.
3. Passo 3. Pottery — utiliza — Potter’s wheel. The wheel made shaping vessels faster and more even.
4. Passo 4. Potter’s wheel — funciona como — Wheel. A potter’s wheel is a spinning disc; it is sometimes seen as a forerunner of the transport wheel.
5. Passo 5. Wheel — inclui — Water wheel. A water wheel is a wheel with paddles turned by flowing water.
6. Passo 6. Water wheel — é utilizado em — Rolling mill. The first mills were turned by water.

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