Give reasons : Liquid carbon dioxide fire extinguishers can be used for both electrical and oil fires.

Explanation

**Step-by-Step Solution:**

1. **Understanding Liquid Carbon Dioxide (CO2):**
- Liquid carbon dioxide is a form of carbon dioxide that is stored under pressure. When released, it expands rapidly and cools down, creating a cold gas.

2. **Mechanism of Action:**
- When liquid CO2 is sprayed on a fire, it quickly vaporizes and forms a cloud of carbon dioxide gas. This gas acts as a barrier or blanket around the fire.

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