Carousel and liquid-propellant rocket engine: what they have in common

1. Step 1. Carousel — uses — Centrifugal effect. Rotation.
2. Step 2. Centrifugal effect — is used in — Centrifugal pump. The liquid is thrown towards the edges of the wheel.
3. Step 3. Centrifugal pump — is part of — Liquid-propellant rocket engine. Turbopumps deliver the propellant.

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