I studied chemical industry and experienced the explosion of Jilin. I feel that what happened in Tianjin is like a reenactment. å¯èƒ½ Possible problems with large chemical explosions: Scratches, falls, and bleeding caused by shock waves at a location relatively far from the explosion. Temporary communication interruption caused by a large number of communications in the short term. Traffic congestion caused by a large number of people moving. Unknown explosive damage, secondary explosions, and possible toxic fumes. The hospital is full of people. â–Œ Suggested treatment plan: People who are closer to the blast zone, if they are not EHS commissioners, will evacuate instead of rushing to destroy your unpredictable fire. If you have the spare time to evacuate, you can see if there are people in need nearby, remind or assist with evacuation. When evacuating, pay attention to bending forward, arranging explosives in the direction of the upper vent, and covering the nose and nose with a thick towel or gas mask, avoid taking the elevator escalator. After coming out, contact the company's EHS commissioner and other personnel to inform the situation and call the police. If possible, provide information on the location of the explosive area, explosives information, reserves, and nearby stored items. The fire department uses a more efficient solution to facilitate the alarm. The explosion is likely to follow up, don't be on the lookout, don't watch! Some people will need to urgently deal with skin wounds. Here are two questions to consider. â–ºWhat is the correct treatment for skin wounds? - Common sense of life. â–ºHow should the secondary injury caused by the explosion shock wave be generally first aided and self-rescued? - Medicine If it is more serious, then debride in time to stop bleeding and go to the hospital for further treatment. At this time, playing 120 is difficult to get through. If it is a person near the explosion area, evacuate the dangerous area in time and ask for help, the relatively distant person will not be too heavy, and you can walk to the hospital for help. If you have the ability to choose a hospital that is far away from the explosion area, on the one hand, the important resources will be given to those who may be more seriously injured. On the other hand, the nearby hospitals will generally be full of wounded and it will be difficult to get treatment quickly. Pay attention to the child's situation, give a sense of security and avoid nervousness. Also pay attention to some things not to let children see! Avoid post-traumatic stress disorder as much as possible. Mobile phones will almost certainly not be able to make calls, and 3G\4G networks will generally have problems. The wired network is relatively stable. If you need to contact others, it is recommended to use the network to contact. About a few times, the communication will gradually recover, and then the necessary contacts will be made. Not all gases from the explosion are dangerous. This depends more on the composition, total amount, distance, wind direction, etc. of the explosives. In fact, many places that are some distance from the explosion area do not need to be evacuated. Close the doors and windows at the first time, don't go out and watch the fun. Turn on the TV and broadcast to the local radio station or program, and put the mobile phone on the side to receive emergency text messages. If you find a pungent odor, are close to the explosion point and are at the leeward, get evacuated from the community, EHS Commissioner, school organization, or find that someone has evacuated, evacuate in time. (Jihua explosion is the school began to contact the organization almost half an hour later, of course, if you are not particularly assured, you can also go) In principle, the evacuation is the direction in which the lower vent may be contaminated by gas. It is necessary to leave the contaminated area and potential future contaminated areas. However, don't walk towards the explosion area to go up the wind! ! ! The upper vents move in the direction of the wind or vertical movement, and the downwind moves toward the vertical wind away from the explosion area. In addition, we must consider the change of wind direction. In case of sea and land breeze, we can consider the wind direction in the morning and evening. Turn off gas, electricity, water, doors and windows when you walk. This is not an earthquake that needs to escape immediately. It is still possible to close the doors and windows. Bring money, ID card, mobile phone, charger, water, and cold clothing when evacuating. Put on flat shoes and let's go. There will be no trampling in the far away center of the explosion, but traffic is generally embarrassing at this time. Go with each other. Avoid other dangers (such as people who are not good). Avoid the underside of the building as much as possible to avoid falling glass caused by shock waves. In fact, the evacuation was not very confusing, and everyone generally went out in an orderly manner. At that time, when we evacuated, we all joked all the way. At night, the Internet cafes packed the night and had a good time... Listen to the local channel and pay attention to receiving text messages in time. Generally, some people and organizations provide temporary accommodation. Usually after a few hours, there will be continuous reports, and the event will be effectively controlled. At this time, you can decide whether to go back. (Since the explosion of Jihua, the station almost switched to the rescue mode. It has been repeating the broadcast situation and providing emergency shelters, and praised the Jilin and Jilin brothers!) Please don't pass it! Please don't pass it! All reports from unofficial channels, even those issued by the news media, should not be trusted, because they are generally speculations and not very reliable. After this, there will be such a second explosion, xxx drug leaks, etc. Don't believe, believe in official channels. At this time, the government is 10,000 times more reliable than many bad media. (It turns out that all kinds of rumors after the explosion of Jihua were flying all over the sky...and none of them happened yet) Communication should be gradually restored after an hour, when it is safe to give friends and family. Or find an internet cafe to report a peace. They care about you very much. If the explosion zone is close to the river, consider a certain amount of drinking water reserves to avoid drinking water shortages caused by mistakes in the fire protection program. There is no need to save too much. The salt that Fukushima bought in the past is estimated to have not been eaten. It is not always necessary to buy mineral water. It is OK to leave tap water for a few days at home. You can consider taking photos of the damaged state in your home, and then change the glass. Generally, the glass will be broken. There will be some damage to the nearest local house. In order to follow up, if there is compensation, it can be used as evidence. Finally, I would like to praise the firefighters who are at the forefront of their lives at the risk of their lives! 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