Dashboard and internal combustion engine: what they have in common

1. Step 1. Dashboard — has part — Speedometer. A speedometer.
2. Step 2. Speedometer — uses — Eddy currents. An eddy-current speedometer.
3. Step 3. Eddy currents — is used in — Exercise bike. Magnetic resistance.
4. Step 4. Exercise bike — has part — Flywheel. A flywheel.
5. Step 5. Flywheel — is part of — Internal combustion engine. The flywheel smooths out the engine’s strokes.

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