Panzerwagen und screw press: was sie gemeinsam haben

1. Schritt 1. Panzerwagen — entwickelte sich zu — Tank. The tank combined the armour of an armoured car with the off-road ability of tracks.
2. Schritt 2. Tank — hat als Teil — Tank gun. A gun in a rotating turret.
3. Schritt 3. Tank gun — hat als Teil — Rifling. Rifled tank guns (today often smoothbore).
4. Schritt 4. Rifling — nutzt — Screw thread. Helical grooves.
5. Schritt 5. Screw thread — entwickelte sich aus — Screw. A thread is an application of the screw.
6. Schritt 6. Screw — wird verwendet in — Screw press. The force is produced by turning a screw.

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