Body armour and centrifugal pump: what they have in common

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

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