Clarinet and air conditioner: what they have in common

1. Step 1. Clarinet — uses — Resonance. Resonance.
2. Step 2. Resonance — is used in — Valve trumpet. Resonance of the tube.
3. Step 3. Valve trumpet — has part — Valve. Valves.
4. Step 4. Valve — is part of — Ventilator. Valves.
5. Step 5. Ventilator — has part — Compressor. A compressor or turbine.
6. Step 6. Compressor — is part of — Air conditioner. A compressor.

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