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There can be dry chemicals inside a fire extinguisher, like sodium bicarbonate or ammonium phosphate. There also are fire extinguishers that have foams or water inside of them. For
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The first fire extinguisher on record was patented in England in 1723, by Ambrose Godfrey. The modern fire extinguisher was invented by British Captain George William Manby in 1818.
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A fire extinguisher works by first removing the safety pin. Once the safety pin is removed, depress the operating lever. The lever pushes on an actuating rod, which presses the spring-mounted
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The most common type of fire extinguisher contain the foaming type agent to put out fires. Other types of fire extinguishers contain water, dry powder, halon and carbon dioxide.
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