Mallets and industrial robot: what they have in common

1. Step 1. Mallets — is part of — Xylophone. Hammers for striking.
2. Step 2. Xylophone — uses — Resonance. Resonating bars.
3. Step 3. Resonance — is used in — Oscillator. A resonant circuit.
4. Step 4. Oscillator — is part of — Drum machine. Analogue oscillators.
5. Step 5. Drum machine — has part — Microprocessor. A processor sets the rhythm.
6. Step 6. Microprocessor — is part of — Industrial robot. A microprocessor-based controller is in charge.

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