Paddle wheel e saw: o que têm em comum

1. Passo 1. Paddle wheel — funciona como — Water wheel. A water wheel in reverse: instead of water turning the wheel, the wheel pushes the water.
2. Passo 2. Water wheel — faz parte de — Sawmill. Early sawmills were driven by water wheels.
3. Passo 3. Sawmill — utiliza — Saw. The cutting tool is a saw.

Abrir Evothings