Paraglider and centrifugal pump: what they have in common

1. Step 1. Paraglider — evolved from — Parachute. A parachute wing.
2. Step 2. Parachute — is part of — Vostok 1. Gagarin landed by parachute.
3. Step 3. Vostok 1 — has part — Heat shield. A spherical descent capsule with a heat shield.
4. Step 4. Heat shield — is part of — Space Shuttle. Heat-shield tiles.
5. Step 5. Space Shuttle — has part — Liquid-propellant rocket engine. Hydrogen-fuelled main engines.
6. Step 6. Liquid-propellant rocket engine — has part — Centrifugal pump. Turbopumps deliver the propellant.

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