What is the job of a fire extinguisher? How does the fire brigade work to extinguish fire?

Explanation

### Step-by-Step Solution:

**Step 1: Understanding the Job of a Fire Extinguisher**
- A fire extinguisher is designed to put out fires by addressing the three components necessary for combustion: fuel, heat, and oxygen.

**Step 2: Lowering the Temperature**
- The first job of a fire extinguisher is to lower the temperature of the fuel. This is done by discharging a substance that absorbs heat, thus bringing the temperature below the ignition temperature.

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