Fixed vise jaw e watt steam engine: o que têm em comum

1. Passo 1. Fixed vise jaw — faz parte de — Vice. Fixed to the body.
2. Passo 2. Vice — utiliza — Screw. The jaws are closed by a screw.
3. Passo 3. Screw — é utilizado em — Jack. A screw jack.
4. Passo 4. Jack — tem como parte — Piston pump. A hand plunger pump.
5. Passo 5. Piston pump — evoluiu para — Watt steam engine. The first steam engines (Newcomen’s) pumped water out of mines by driving pumps.

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