Recently, many dangerous chemical safety accidents have occurred in some places in China, causing people to pay attention to dangerous chemicals. Hazardous chemicals are not only found in chemical plants, but also in life. The most common ones are natural gas, gas, and gasoline. Dangerous chemicals are usually flammable, explosive, toxic and harmful. In the event of accidents such as leaks or explosions, how should we deal with them? Yesterday, Cheng Min, deputy director of the Supervision Bureau of the Municipal Safety Supervision Bureau, told reporters that he was involved in a dangerous chemical accident. Simple response. At present, there are more than 2,800 dangerous chemicals listed in the latest edition of the Catalogue of Hazardous Chemicals in China. Various hazardous chemicals have different hazardous properties such as combustion, explosion, corrosion and radioactivity. According to Cheng Min, in general, when encountering a hazardous chemical accident, there should be three points: when there is a fire or even an explosion of an unidentified chemical product, it may be accompanied by a chemical leak. It is best not to stand in front of the window, glass door or other Areas with potential hazards should be immediately away from the explosion area and areas where leakage may occur. Pay attention to the debris falling from the sky. Do not use the elevator when you escape. If the fire or explosion occurs not far from the vicinity, you should immediately go to the fire place. Or move upwind in the direction of the explosion, and use your clothes to cover your nose and mouth to prevent inhalation of harmful gases or dust. If you have to be notified to stay indoors, use all known information and safety knowledge, lock the door, close the window, Close the vents, fans and air conditioners, plug the door seams and window slits with cloth, and pay attention to the latest situation through TV, radio and internet. If someone is injured in the accident and the medical professional is not present, how can the emergency help for the injured? Cheng Min said that emergency rescue of dangerous chemicals accidents should pay attention to three objectives: first, to strive for the continuation of the patient's life; Second, to avoid further injury to the patient; third, to promote self-recovery. Among them, the most critical first aid technology is to keep the airway open, maintain adequate breathing, and maintain normal blood circulation. In the international medical community, there is a first aid "ABC rule." Among them, A is airway Airway, B is breathing Breathing, and C is circular Circula?tion. If the airway (oral, nasal, throat, tracheal, up to the lungs) is clogged, the rescuer should clear the airway for the patient as soon as possible. If the airway is unobstructed, but there is not enough breathing (16 to 22 breaths per minute is normal, less than 12 endangered), artificial respiration should be provided to the patient in time. If the patient has not breathed, the rescuer should promptly check for the presence of blood circulation. If the patient's pulse is still beating, but it is rather weak, the rescuer should provide manual circulation assistance to the patient in time. Pressing the heart without any medical device is the most effective way to help patients recover their blood circulation. Daily safety tips First Aid "ABC Rule" A is the airway Airway, B is breathing Breathing, C is the circulation Circulation if the airway (oral, nasal, throat, trachea, until the lungs) is blocked The rescuer should clean the airway for the patient as soon as possible. If the airway is unobstructed, but the breathing is not enough (16 to 22 breaths per minute is normal, less than 12 endangered) Artificial respiration should be provided to the patient in time if the patient has not breathed The rescuer should check the blood circulation in time if the patient's pulse is still beating, but it is rather weak. The rescuer should provide manual circulation assistance to the patient in a timely manner. Pressing the heart is the most effective way to help patients recover their blood circulation without any medical equipment.
Aluminum Foil Mesh (also named aluminum filter, expanded aluminum foil) is stretched into diamond by mechanical stamping, and then the multilayer aluminum foil net is superposed with the outer layer, and the aluminum mesh is used as the support, Make a border around by structural section. It can be square, rectangular, round, circular or tubular.
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