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How Do Fire Extinguishers Work?


How do fire extinguishers work? Simazoran/Getty Images/iStockphoto
How do fire extinguishers work? Simazoran/Getty Images/iStockphoto

Fire extinguishers are nearly ubiquitous, and they can be an invaluable, life-saving device. But what’s inside those little red cylinders, and how does it stop a fire?