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Word Count: 500
Is fire truly a living thing It consumes fuel and oxygen produces heat and waste it grows and moves Weather fire is alive or not it is still dangerous so you should always treat it with care There are four main types of fires which are rated in class A B C and D Knowing how to put particular fires out could save your property someones life or your own lifeIn order to know how to put fires out you must first know how one starts For a fire to occur there must be three things present Fuel oxygen and heat Fuel is any combustible material weather it be solid liquid or gas Most solid and liquid fuels become a vapor or gas before they will ignite Making fuel a vapor requires heat which is the amount of energy necessary to raise the temperature of the fuel so that enough vapors are given off for ignition The final ingredient for fire is oxygen The atmosphere required for fire must be at least 16 oxygen the air we breathe is about 21 When these three ingredients combine you get a chemical reaction known as fire The most common type of fire is the class A fire In this type of fire the fuel is usually ordinary combustibles or fibrous materials Examples of these are wood paper cloth and plastic These fires must be extinguished by cooling the material below its ignition temperature and soaking the fibers to keep them from lighting again Use ABC rated fire extinguishers foam or waterAnother common type of fire is the type B fire These fires are fueled by flammable or combustible liquids These liquids are substances like kerosene gasoline and paint thinner Class B fires must be extinguished by removing the oxygen or preventing the vapors from reaching the source of the ignition Use BC rated dry extinguishers foam carbon dioxide and halon extinguishersThe final common type of fire
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