Steam carriage e personal computer: o que têm em comum

1. Passo 1. Steam carriage — tem como parte — Caldeira. A boiler.
2. Passo 2. Caldeira — faz parte de — Steam turbine. Steam from the boiler.
3. Passo 3. Steam turbine — faz parte de — Nuclear power plant. Steam turns the turbines — as at a thermal station.
4. Passo 4. Nuclear power plant — tem como parte — Transformer. Transformers step up the voltage so the plant's power can travel far.
5. Passo 5. Transformer — faz parte de — Switched-mode power supply. A high-frequency transformer.
6. Passo 6. Switched-mode power supply — faz parte de — Personal computer. A power supply.

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