Nuclear submarine e personal computer: o que têm em comum

1. Passo 1. Nuclear submarine — tem como parte — Nuclear reactor. A reactor.
2. Passo 2. Nuclear reactor — faz parte de — Nuclear power plant. The reactor heats the coolant.
3. Passo 3. Nuclear power plant — tem como parte — Transformer. Transformers step up the voltage so the plant's power can travel far.
4. Passo 4. Transformer — faz parte de — Switched-mode power supply. A high-frequency transformer.
5. Passo 5. Switched-mode power supply — faz parte de — Personal computer. A power supply.

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