The ingredients in a fire extinguisher vary based on its application, or class of fire extinguisher. The United States categorizes fire extinguishers into classes A,B,C,D and K, each of which contains different ingredien... More »

To visually inspect a CO2 fire extinguisher, check its location, mounting, tamper seal and weight. Ensure the pull pin is not missing, and check the unit for physical damage. This inspection should be conducted monthly, ... More »

Some of the prominent manufacturers of antique fire extinguishers were Pyrene, General, Buffalo, Fyr Fyter, and Chris Craft. These fire extinguishers were commonly used in homes and cars, and on airplanes, trains, and bo... More »

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To use a fire extinguisher to put out flames, pull the pin, aim the nozzle at the fire, squeeze the lever and sweep the extinguisher from side to side. The acronym to make the process easier to remember is PASS, which st... More »

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To visually inspect a CO2 fire extinguisher, check its location, mounting, tamper seal and weight. Ensure the pull pin is not missing, and check the unit for physical damage. This inspection should be conducted monthly, ... More »

Percy Julian invented the fire extinguisher, Aero-Foam. It was extensively used during World War II, and was referred to as the United States Navy's "bean soup." More »

T.J. Marshall is credited with improving the design of the fire extinguisher, with a patent issued on March 26, 1872. He invented a system in which water is pumped through pipes in buildings to individual sprinkler heads... More »