Clarinet body and fitness tracker: what they have in common

1. Step 1. Clarinet body — is part of — Clarinet. A cylindrical resonator tube.
2. Step 2. Clarinet — uses — Resonance. Resonance.
3. Step 3. Resonance — is a kind of — Wave theory. An oscillation phenomenon.
4. Step 4. Wave theory — includes — Electromagnetic waves. Waves.
5. Step 5. Electromagnetic waves — is used in — Bluetooth. Radio.
6. Step 6. Bluetooth — is part of — Fitness tracker. A link to the phone.

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