Arduino and bell: what they have in common

1. Step 1. Arduino — has part — Microcontroller. An AVR microcontroller.
2. Step 2. Microcontroller — is part of — Solid-state drive. A controller manages the memory.
3. Step 3. Solid-state drive — is part of — Laptop. A drive.
4. Step 4. Laptop — has part — Keyboard. The keyboard is built into the laptop's case.
5. Step 5. Keyboard — is part of — Carillon. A keyboard.
6. Step 6. Carillon — has part — Bell. Bells.

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