Kiln and personal computer: what they have in common

1. Step 1. Kiln — is used in — Lime. Lime is made by burning limestone.
2. Step 2. Lime — is material for — Plaster cast. Plaster of Paris is calcium sulfate.
3. Step 3. Plaster cast — is made of — Fibreglass. Modern casts.
4. Step 4. Fibreglass — is material for — Motherboard. The board is fibreglass laminate.
5. Step 5. Motherboard — is part of — Personal computer. The main board.

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