Steering wheel e rolling mill: o que têm em comum

1. Passo 1. Steering wheel — faz parte de — Bobsleigh. A steering wheel.
2. Passo 2. Bobsleigh — evoluiu de — Sledge. A sled.
3. Passo 3. Sledge — evoluiu para — Carro. The wheeled cart replaced drag sledges and sleds.
4. Passo 4. Carro — faz parte de — Wagonway. Wagons rolled on the rails.
5. Passo 5. Wagonway — evoluiu para — Railway track. Cast-iron and steel rails replaced wooden ones.
6. Passo 6. Railway track — utiliza — Rolling mill. Rails are rolled.

Abrir Evothings