Loom and gas lamp: what they have in common

1. Step 1. Loom — uses — Plant fibre. Cloth is woven from threads spun from fibres.
2. Step 2. Plant fibre — is material for — Wick. A wick is twisted from plant fibres.
3. Step 3. Wick — is part of — Oil lamp. The wick feeds oil to the flame.
4. Step 4. Oil lamp — evolved into — Incandescent light bulb. The electric lamp replaced oil and gas lamps.
5. Step 5. Incandescent light bulb — evolved from — Gas lamp. Electricity displaced gas lighting.

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