Boiler and personal computer: what they have in common
- Step 1. Boiler — is part of — Steam turbine. Steam from the boiler.
- Step 2. Steam turbine — is part of — Nuclear power plant. Steam turns the turbines — as at a thermal station.
- Step 3. Nuclear power plant — has part — Transformer. Transformers step up the voltage so the plant's power can travel far.
- Step 4. Transformer — is part of — Switched-mode power supply. A high-frequency transformer.
- Step 5. Switched-mode power supply — is part of — Personal computer. A power supply.