What kind of fire can not be used on the ground hydrant, please heroes to answer, thank you.
dangerous chemical articlesIn the school laboratory often have a certain amount of sulfuric acid, nitric acid, hydrochloric acid, alkali metal potassium, sodium, lithium, aluminum, magnesium and other combustible metals. These goods are easy to react or burn when they are exposed to water. They must not be saved by water.
ComputerWhen the computer is on fire, unplug the power immediately and use dry powder or carbon dioxide extinguisher to save it. If found in a timely manner, you can also unplug the power, quickly wet carpet or quilt and so on to cover the computer, do not splash water on the fire. Because of the sudden drop in temperature, the computer exploded.
Fuel oil, paintThe home storage of fuel oil or paint fire do not use water, foam, dry powder or 1211 application of fire extinguishing apparatus or sand fighting.
If you ask what fire can not use fire hydrant water to fire, there are many kinds:An electric applianceElectrical appliances should be cut off first when a fire occurs. In the case of power failure, do not use water and foam to fight, because water and foam can conduct electricity. Should use carbon dioxide, 1211, dry powder fire extinguishers or dry sand for fighting, but also with the electrical equipment and wires to maintain more than 2 meters distance.PanPan fire, do not use water. Because the water will form a "fryer" in hot oil, the oil fire splash everywhere. Fighting method is rapid, cut the border cold dish into the pot, the fire was extinguished automatically. Another method is to use a pot cover or a large cloth that can block the oil pan to cover the burning oil pan, so that the burning oil and fire can not touch the air.
