Ferrocerium (lighter flint) and paper machine: what they have in common

1. Step 1. Ferrocerium (lighter flint) — is part of — Lighter. The flint strikes sparks.
2. Step 2. Lighter — works like — Flintlock. The same way of striking a spark.
3. Step 3. Flintlock — uses — Friction. A spark from a strike of flint.
4. Step 4. Friction — is used in — Belt drive. A belt transmits torque through friction.
5. Step 5. Belt drive — is part of — Paper machine. The wire moves on belts and rolls.

Open Evothings