Paper feed rollers e lead–acid battery: o que têm em comum
- Passo 1. Paper feed rollers — faz parte de — Printer. Rollers pull the sheet through.
- Passo 2. Printer — inclui — Inkjet printer. A printer.
- Passo 3. Inkjet printer — utiliza — Piezoelectric effect. Piezo heads eject droplets.
- Passo 4. Piezoelectric effect — é utilizado em — Sonar. Langevin’s transducer is piezoelectric quartz.
- Passo 5. Sonar — faz parte de — Submarine. Underwater acoustics.
- Passo 6. Submarine — tem como parte — Lead–acid battery. Underwater, electric motors run on batteries.