Chocolate and multistage rocket: what they have in common

1. Step 1. Chocolate — uses — Sugar production. Sugar.
2. Step 2. Sugar production — uses — Centrifuge. Centrifuging the crystals.
3. Step 3. Centrifuge — uses — Centrifugal effect. Separation by density.
4. Step 4. Centrifugal effect — is used in — Centrifugal pump. The liquid is thrown towards the edges of the wheel.
5. Step 5. Centrifugal pump — is part of — Liquid-propellant rocket engine. Turbopumps deliver the propellant.
6. Step 6. Liquid-propellant rocket engine — is part of — Multistage rocket. Engines on every stage.

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