Sterilization e sickle: o que têm em comum

1. Passo 1. Sterilization — utiliza — Autoclave. Sterilization by steam.
2. Passo 2. Autoclave — tem como parte — Caldeira. A steam generator.
3. Passo 3. Caldeira — faz parte de — Steam hammer. A boiler supplies the steam.
4. Passo 4. Steam hammer — evoluiu de — Hammer. A steam hammer is a hammer lifted by steam, used to forge huge parts.
5. Passo 5. Hammer — evoluiu de — Stone tool. The first hammer was a stone in the hand.
6. Passo 6. Stone tool — evoluiu para — Sickle. The first sickles had flint inserts.

Abrir Evothings