Cream separator und gyroscope: was sie gemeinsam haben
- Schritt 1. Cream separator — funktioniert wie — Hydrometer. Both rely on density: a separator removes the lighter cream, a hydrometer checks by density whether milk has been watered down.
- Schritt 2. Hydrometer — wird verwendet in — Lead–acid battery. A car battery's charge is checked with a hydrometer by the density of its acid.
- Schritt 3. Lead–acid battery — ist Teil von — Submarine. Underwater, electric motors run on batteries.
- Schritt 4. Submarine — hat als Teil — Torpedo. Torpedo armament.
- Schritt 5. Torpedo — hat als Teil — Gyroscope. Obry’s gyroscope keeps the course.
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