Wooden post e watt steam engine: o que têm em comum

1. Passo 1. Wooden post — faz parte de — Shaduf. The post is the fulcrum of the lever.
2. Passo 2. Shaduf — é utilizado em — Well. Or with a well sweep.
3. Passo 3. Well — utiliza — Windlass. The bucket was raised with a windlass.
4. Passo 4. Windlass — utiliza — Manivela. The handle of a windlass is a crank.
5. Passo 5. Manivela — faz parte de — Watt steam engine. The stroke of the piston becomes rotation of a shaft (Watt first used a planetary gear).

Abrir Evothings