Inkjet printer and aerosol can: what they have in common

1. Step 1. Inkjet printer — uses — Piezoelectric effect. Piezo heads eject droplets.
2. Step 2. Piezoelectric effect — is used in — Quartz clock. The quartz resonator vibrates thanks to the piezoelectric effect.
3. Step 3. Quartz clock — uses — Resonance. Resonance of the crystal.
4. Step 4. Resonance — is used in — Valve trumpet. Resonance of the tube.
5. Step 5. Valve trumpet — has part — Valve. Valves.
6. Step 6. Valve — is part of — Aerosol can. A valve.

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