Sensing needles and internal combustion engine: what they have in common

1. Step 1. Sensing needles — is part of — Bouchon’s loom. They pass through the holes and select the threads.
2. Step 2. Bouchon’s loom — evolved into — Jacquard loom. Jacquard combined and refined the ideas of Bouchon, Falcon and Vaucanson.
3. Step 3. Jacquard loom — was inspired by — Automaton. Vaucanson, the maker of automata, built an automatic loom whose ideas Jacquard used.
4. Step 4. Automaton — has part — Cam. Cams set the figures’ movements.
5. Step 5. Cam — is part of — Camshaft. The shaft carries several cams.
6. Step 6. Camshaft — is part of — Internal combustion engine. The camshaft opens the engine’s valves.

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