Wire barbs and kiln: what they have in common

1. Step 1. Wire barbs — is part of — Barbed wire. Short lengths strung on a thread.
2. Step 2. Barbed wire — uses — Galvanization. The wire is galvanized.
3. Step 3. Galvanization — uses — Corrosion. Zinc corrodes first, protecting the steel.
4. Step 4. Corrosion — is a kind of — Oxidation. Corrosion is the oxidation of metal.
5. Step 5. Oxidation — includes — Combustion. Combustion is rapid oxidation.
6. Step 6. Combustion — is used in — Kiln. Heat comes from burning fuel.

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