Clarinet and centrifugal pump: 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 — Central heating. Valves on the radiators set how much hot water flows into a room.
5. Step 5. Central heating — has part — Centrifugal pump. A circulation pump.

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