Dome and fuel cell: what they have in common

1. Step 1. Dome — is part of — Wood-fired oven. A vaulted chamber.
2. Step 2. Wood-fired oven — is made of — Brick. Wood-fired ovens are built of firebrick.
3. Step 3. Brick — is material for — Chemical plant. The furnaces and towers are brick.
4. Step 4. Chemical plant — uses — Catalysis. Catalysts.
5. Step 5. Catalysis — is used in — Fuel cell. A platinum catalyst.

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