Separator and kiln: what they have in common

1. Step 1. Separator — is part of — Lead–acid battery. Separators between the plates.
2. Step 2. Lead–acid battery — uses — Sulfuric acid. The electrolyte.
3. Step 3. Sulfuric acid — is used in — Chemical plant. The first chemical plants produced sulfuric acid and soda.
4. Step 4. Chemical plant — is made of — Brick. The furnaces and towers are brick.
5. Step 5. Brick — uses — Kiln. Fired brick is stronger than mud brick.

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