Pressure and transformer: what they have in common

1. Step 1. Pressure — is used in — Ventilator. Inhalation under pressure.
2. Step 2. Ventilator — is part of — Ambulance. Medical equipment.
3. Step 3. Ambulance — has part — Defibrillator. A defibrillator.
4. Step 4. Defibrillator — has part — Transformer. Stepping up the voltage.

Open Evothings