Resonator tubes and newcomen engine: what they have in common

1. Step 1. Resonator tubes — is part of — Xylophone. They amplify the sound of the bars.
2. Step 2. Xylophone — uses — Resonance. Resonating bars.
3. Step 3. Resonance — is used in — Valve trumpet. Resonance of the tube.
4. Step 4. Valve trumpet — has part — Valve. Valves.
5. Step 5. Valve — is part of — Watt steam engine. A slide valve distributes the steam.
6. Step 6. Watt steam engine — evolved from — Newcomen engine. Watt improved Newcomen’s engine.

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