Car body and lead–acid battery: what they have in common
- Step 1. Car body — is part of — SUV. A body.
- Step 2. SUV — has part — Suspension. Long-travel suspension.
- Step 3. Suspension — is part of — Electric car. The suspension is the same as in an ordinary car.
- Step 4. Electric car — has part — Inverter. An inverter powers the traction motor.
- Step 5. Inverter — is part of — Uninterruptible power supply. An inverter.
- Step 6. Uninterruptible power supply — has part — Lead–acid battery. A battery.