Why do firefighters break out windows and cut holes in the roof during a fire?
Firefighters ventilate smoke and superheated gases for safety and visibility. This lets firefighters to get inside the building to find and extinguish the fire, thereby reducing property damage. This also reduces the chance of a backdraft explosion.

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1. Why do you need to Display your house number?
2. What to do when you see or hear an emergency respond vehicle.
3. Why do firefighters break out windows and cut holes in the roof during a fire?
4. How often should I change the batteries in my smoke detectors?
5. Why do we see fire department crews at the store?
6. Why do you send a fire truck along with an ambulance to a medical emergency?