Several fires that cannot be put out with water

1n case of fire, the power supply should be cut off first. Never be able to use water and foam to save water without power failure, because water and foam can conduct electricity. Carbon dioxide, 1211, dry powder fire extinguisher or dry sand soil should be selected for fire fighting, and the distance from electrical equipment and wires should be more than 2m

when the oil pan is on fire, never pour it with water. Because when water meets with hot oil, it will form a “frying pan”, making oil and fire splash everywhere. The way to put out the fire is to quickly pour the cut cold dishes into the pot, and the fire will go out automatically. Another method is to cover the burning oil pot with a pot cover or a large wet cloth that can cover the oil pot to prevent the burning oil fire from contacting with the air and suffocate

fuel oil, paint oil or paint stored in the house must not be irrigated with water, and foam, dry powder or 1211 fire extinguishers or sand can be used to fight. Br / >
when the computer is on fire, you should immediately unplug the power supply and use dry powder or carbon dioxide fire extinguisher to put out the fire. 1f it is found in time, you can also quickly cover the computer with a wet carpet or quilt after unplugging the power. Do not pour water on the computer on fire. Because the temperature drops suddenly, the computer will explode

there are a certain amount of sulfuric acid, nitric acid, hydrochloric acid, alkali metal potassium, sodium, lithium, flammable metal aluminum powder, magnesium powder, etc. in the laboratory of school. These articles are very easy to react or burn when they meet with water, so they must not be put out with water

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