Industrial Revolution and parachute: what they have in common

1. Step 1. Industrial Revolution — uses — Coal. Coal.
2. Step 2. Coal — is used in — Combined heat and power plant. It burns coal or gas.
3. Step 3. Combined heat and power plant — uses — Heat transfer. Waste heat goes to heating.
4. Step 4. Heat transfer — is used in — Heat shield. It protects by carrying heat away with a vaporizing layer.
5. Step 5. Heat shield — is part of — Vostok 1. A spherical descent capsule with a heat shield.
6. Step 6. Vostok 1 — has part — Parachute. Gagarin landed by parachute.

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