RAM and freezer: what they have in common

1. Step 1. RAM — has part — Capacitor. A DRAM bit is stored in a tiny capacitor.
2. Step 2. Capacitor — is part of — Defibrillator. The energy of the shock is stored in a capacitor.
3. Step 3. Defibrillator — is part of — Ambulance. A defibrillator.
4. Step 4. Ambulance — has part — Ventilator. Medical equipment.
5. Step 5. Ventilator — has part — Compressor. A compressor or turbine.
6. Step 6. Compressor — is part of — Freezer. A compressor compresses the refrigerant.

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