Cyclotron and joystick: what they have in common

1. Step 1. Cyclotron — has part — Electromagnet. A magnet.
2. Step 2. Electromagnet — has part — Copper wire. A winding.
3. Step 3. Copper wire — is part of — Pickup. A winding.
4. Step 4. Pickup — is part of — Electric guitar. Pickups.
5. Step 5. Electric guitar — has part — Potentiometer. The volume and tone knobs on an electric guitar are potentiometers.
6. Step 6. Potentiometer — is used in — Joystick. Position is read with potentiometers.

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