Plant fibre and watt steam engine: what they have in common

1. Step 1. Plant fibre — is used in — Loom. Cloth is woven from threads spun from fibres.
2. Step 2. Loom — evolved into — Power loom. A mechanized loom.
3. Step 3. Power loom — has part — Watt steam engine. Driven by a steam engine.

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