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{ <br /> r <br /> t <br /> w' <br /> f <br /> b <br /> {e <br /> F Fires, Fire Safety, <br /> & Fire Extinguishers <br /> Each year, fires cause 20 times more deaths than hurricanes, tornadoes, floods, and <br /> earthquakes combined. Have you ever stopped to think about all the losses if a fire <br /> occurred here at the utility? If our facilities were severely damaged, some of us could <br /> be injured or lose our lives. Our customers would lose too, because they depend on <br /> our services. <br /> So what can be done to prevent a fire? First, we must understand the three ingredients <br /> essential to all ordinary fires: air (oxygen), ignition source, and fuel (paper, wood, <br /> is solvents, etc.). To extinguish a fire, it is necessary to remove only one of the basic <br /> ingredients. This can be accomplished by <br /> ® Preventing ignition (this may involve temperature or heat control) <br /> ® Smothering (oxygen control) <br /> ® Isolation (fuel control) <br /> } Remeanber: Remove any one of the three basic ingredients of a fire and the FIRE WILL <br /> DIE! <br /> '. Fires are classified according to what is burning: <br /> Class A fires involve general combustibles, such as wood, cloth, paper, or <br /> rubbish. These fires are usually controlled by cooling—for example, <br /> using water to cool the material. <br /> Class B fires involve flammable liquids, such as gasoline, oil, grease, or paint. <br /> They are usually smothered by oxygen control, for example, using foam, <br /> carbon dioxide, or dry chemicals. <br /> Class C fires involve electrical equipment and are usually smothered by oxygen <br /> control. Carbon dioxide or di -chemical extinguishers, nonconductors <br /> of electricity, are used. <br /> Class D fires occur in combustible metals, such as magnesium, lithium, or <br /> sodium and require special extinguishers and,techniques. <br /> f <br /> r <br />