Printer carriage and steam turbine: what they have in common

1. Step 1. Printer carriage — is part of — Inkjet printer. It moves the head across the sheet.
2. Step 2. Inkjet printer — uses — Piezoelectric effect. Piezo heads eject droplets.
3. Step 3. Piezoelectric effect — is used in — Sonar. Langevin’s transducer is piezoelectric quartz.
4. Step 4. Sonar — is part of — Destroyer. Underwater acoustics.
5. Step 5. Destroyer — has part — Steam turbine. Turbines.

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