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A carbon dioxide (CO2) extinguisher is a type of fire extinguisher that uses carbon dioxide gas to suppress fires. It is commonly used for Class B (flammable liquids and gases) and Class C (electrical) fires. The CO2 extinguisher works by displacing oxygen, which is necessary for combustion, thus suffocating the fire. It does not leave any residue and does not conduct electricity, making it safe to use on electrical fires. The extinguisher consists of a cylindrical metal container filled with pressurized carbon dioxide gas. It has a discharge horn or nozzle attached to the container, which directs the gas towards the fire. When the handle or lever is squeezed, the gas is released in a high-pressure jet, effectively extinguishing the flames. It is important to note that carbon dioxide extinguishers should not be used for Class A (ordinary combustibles) fires, as it may not provide sufficient cooling or suppress the fire effectively. Additionally, the high-pressure gas can disperse fl…

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