Energy-efficient house and internal combustion engine: what they have in common

1. Step 1. Energy-efficient house — uses — Heat pump. Heating.
2. Step 2. Heat pump — has part — Compressor. A compressor.
3. Step 3. Compressor — is part of — Turbocharger. A compressor.
4. Step 4. Turbocharger — is part of — Internal combustion engine. Forced induction.

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