Carro blindado e screw press: o que têm em comum

1. Passo 1. Carro blindado — evoluiu para — Tank. The tank combined the armour of an armoured car with the off-road ability of tracks.
2. Passo 2. Tank — tem como parte — Tank gun. A gun in a rotating turret.
3. Passo 3. Tank gun — tem como parte — Rifling. Rifled tank guns (today often smoothbore).
4. Passo 4. Rifling — utiliza — Screw thread. Helical grooves.
5. Passo 5. Screw thread — evoluiu de — Screw. A thread is an application of the screw.
6. Passo 6. Screw — é utilizado em — Screw press. The force is produced by turning a screw.

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