Webcam and kiln: what they have in common

1. Step 1. Webcam — is part of — Laptop. Above the screen is a small webcam for video calls.
2. Step 2. Laptop — has part — Motherboard. All the laptop's chips sit on the motherboard.
3. Step 3. Motherboard — is made of — Fibreglass. The board is fibreglass laminate.
4. Step 4. Fibreglass — is material for — Plaster cast. Modern casts.
5. Step 5. Plaster cast — is made of — Lime. Plaster of Paris is calcium sulfate.
6. Step 6. Lime — uses — Kiln. Lime is made by burning limestone.

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