Tang e turbine: o que têm em comum

1. Passo 1. Tang — faz parte de — Knife. The part of the blade fixed in the handle.
2. Passo 2. Knife — evoluiu de — Stone tool. The first knives were stone flakes.
3. Passo 3. Stone tool — evoluiu para — Hammer. The first hammer was a stone in the hand.
4. Passo 4. Hammer — evoluiu para — Trip hammer. A trip hammer is a hammer lifted and dropped by a water wheel.
5. Passo 5. Trip hammer — tem como parte — Water wheel. The shaft was turned by a water wheel.
6. Passo 6. Water wheel — evoluiu para — Turbine. The water turbine evolved from the water wheel.

Abrir Evothings