Rocket e saw: o que têm em comum

1. Passo 1. Rocket — utiliza — Gunpowder. The first rockets were powered by gunpowder.
2. Passo 2. Gunpowder — é utilizado em — Gunpowder mill. Production.
3. Passo 3. Gunpowder mill — tem como parte — Water wheel. The drive.
4. Passo 4. Water wheel — faz parte de — Sawmill. Early sawmills were driven by water wheels.
5. Passo 5. Sawmill — utiliza — Saw. The cutting tool is a saw.

Abrir Evothings