Brick bottom tubes e newcomen engine: o que têm em comum

1. Passo 1. Brick bottom tubes — faz parte de — LEGO bricks. Hollow tubes underneath hold the brick by an elastic grip.
2. Passo 2. LEGO bricks — utiliza — Injection moulding. Precise moulding of the parts.
3. Passo 3. Injection moulding — utiliza — Hydraulics (Pascal’s law). Hydraulic presses.
4. Passo 4. Hydraulics (Pascal’s law) — é utilizado em — Manometer. A liquid manometer is a pair of communicating vessels: the difference in levels shows the pressure.
5. Passo 5. Manometer — faz parte de — Caldeira. The gauge on a boiler shows the steam pressure — without it the boiler could explode.
6. Passo 6. Caldeira — faz parte de — Newcomen engine. Steam from the boiler.

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