Paper feed rollers e lead–acid battery: o que têm em comum

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

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