Broom binding and electric generator: what they have in common

1. Step 1. Broom binding — is part of — Broom. It binds the bundle.
2. Step 2. Broom — is made of — Plant fibre. A broom is tied from twigs and grasses.
3. Step 3. Plant fibre — is material for — Toothbrush. The bristles were hog hair, later nylon.
4. Step 4. Toothbrush — evolved into — Electric toothbrush. A motorized toothbrush.
5. Step 5. Electric toothbrush — uses — Electromagnetic induction. Wireless charging by induction.
6. Step 6. Electromagnetic induction — is used in — Electric generator. Turning a conductor in a magnetic field induces a current.

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