Aramid ballistic panels e mechanical clock: o que têm em comum

1. Passo 1. Aramid ballistic panels — faz parte de — Armadura corporal. Layers of aramid fabric.
2. Passo 2. Armadura corporal — funciona como — Tank. One idea of protection — armour — at different scales.
3. Passo 3. Tank — tem como parte — Transmission (gearbox). The transmission carries torque to the drive sprockets and lets the tank turn.
4. Passo 4. Transmission (gearbox) — tem como parte — Gear. A gearbox is a set of gears.
5. Passo 5. Gear — faz parte de — Mechanical clock. A gear train counts seconds, minutes and hours.

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