Speed radar and centrifugal pump: what they have in common

1. Step 1. Speed radar — has part — Smartphone camera. A camera captures the licence plate.
2. Step 2. Smartphone camera — is part of — Self-driving car. Cameras.
3. Step 3. Self-driving car — has part — GPS (satellite navigation). Satellite navigation.
4. Step 4. GPS (satellite navigation) — is part of — Reusable rocket. Navigation during landing.
5. Step 5. Reusable rocket — has part — Liquid-propellant rocket engine. Liquid-propellant engines.
6. Step 6. Liquid-propellant rocket engine — has part — Centrifugal pump. Turbopumps deliver the propellant.

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