Carburador e mechanical clock: o que têm em comum

1. Passo 1. Carburador — tem como parte — Valve. A throttle valve in the carburettor sets how much fuel-air mix reaches the engine.
2. Passo 2. Valve — faz parte de — Valve trumpet. Valves.
3. Passo 3. Valve trumpet — utiliza — Resonance. Resonance of the tube.
4. Passo 4. Resonance — é utilizado em — Quartz clock. Resonance of the crystal.
5. Passo 5. Quartz clock — evoluiu de — Mechanical clock. Quartz clocks replaced mechanical ones: a vibrating quartz crystal took the place of the pendulum and balance.

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