Aramid ballistic panels and centrifugal pump: what they have in common

1. Step 1. Aramid ballistic panels — is part of — Body armour. Layers of aramid fabric.
2. Step 2. Body armour — works like — Tank. One idea of protection — armour — at different scales.
3. Step 3. Tank — has part — Gas turbine. Some tanks (T-80, Abrams) have a gas turbine engine.
4. Step 4. Gas turbine — has part — Turbine. A turbine.
5. Step 5. Turbine — has part — Impeller. The bladed wheel is the turbine’s rotor.
6. Step 6. Impeller — is part of — Centrifugal pump. The impeller accelerates the liquid.

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