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Twelve constellations wax _ How to draw twelve constellations wax?
Fire safety is very important, it is related to our lives and property. If you can't correctly understand the fire protection knowledge, the consequences will be unimaginable. The following is the complete works of the first prize of fire safety handwritten newspaper painting that I compiled. Welcome to read and share for your reference. I hope it will help everyone.
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Fire safety is closely related to our life. If you don't pay attention to fire safety, the consequences will be unimaginable. However, in case of fire and other dangers, don't panic. Cover your nose and mouth with a wet towel in time, and then try to escape. If it's too late to escape, go to the window and call for help.
Just last Sunday, a family near our community caught fire. There were four people in the room at that time. An adult and a child found out and escaped in time. Nothing happened. At this time, there were only two students left in the room, and the fire was still spreading. The situation was so critical that the onlookers immediately dialed 1 19. However, due to the unknown address, firefighters have not yet arrived. After discovering the fire, the two trapped students covered their noses and mouths with wet towels in time, blocked the crack of the door with towels, and then stayed away from flammable items such as gas, calmly waited for firefighters, and constantly tried to save themselves. Finally out of danger safely.
So why did they escape from danger, but many people were killed when other fires broke out? Because the two students were very calm when the fire broke out, and covered their nose and mouth with wet towels in time. According to incomplete statistics, when a fire broke out, 80% of the victims were suffocated by smoke. Secondly, stay away from flammable items such as gas. If the trapped person is close to flammable materials such as gas, the gas and other materials are prone to self-explosion due to high temperature, resulting in injury or even death of the trapped person.
I believe that many tragedies can be avoided as long as everyone knows more about fire safety and pays more attention to fire prevention at ordinary times. I hope everyone can join me and be a citizen with high fire awareness!
Speech on fire safety education
Teachers and students:
Good Morning, everyone! Today, I am very happy to stand under the national flag and exchange fire safety education with you.
Now it is the late autumn season, and the crisp and dry weather in autumn is dominant, and the moisture in the air is gradually decreasing. In this season, if the preventive measures are not appropriate, it is easy to have fire accidents. When it comes to fire fighting, people will naturally think of the creepy word "fire". Fire brings light; Fire warms people. But the fire also devoured countless lives, destroyed countless properties and left many scars on people. A fire can make the material wealth created by people instantly turn to ashes; A fire can devour entire villages, neighborhoods, factories and schools; A fire may destroy our beautiful home and make countless creatures extinct. Lack of fire safety knowledge and weak awareness of fire safety can always make us see bloody scenes. The fire has brought too much disharmony to this beautiful world and staged too many tragedies that should not be staged.
Students, you are the love of parents and elders, and every student is the future of the motherland, so the campus where we study and live should become a safe harbor. We should improve our fire prevention awareness and skills.
As a pupil, how to prevent fire accidents? Here, I would like to give you some suggestions:
1, please do not bring matches, lighters and other kindling, as well as gasoline, fireworks and other inflammable and explosive articles into the campus.
2. Consciously take care of all kinds of fire control measures on campus, such as fire hydrants and fire extinguishers.
3. In the classroom, you are not allowed to pull wires casually, and you are not allowed to use electrical equipment without authorization.
Remember to turn off the electrical appliances and cut off the power supply after school.
In case of fire, how to escape and save yourself? 1, to understand and be familiar with the environment. When in public places, pay attention to the location of safety exits and fire extinguishers, so as to evacuate and extinguish the fire in time in case of accidents.
Don't panic when there is a fire. Call 1 19 or ask around for help.
3. Evacuate quickly. Once you hear the fire alarm or realize that you are surrounded by fire, you should try to evacuate immediately, and don't covet property.
4. Evacuate from the tunnel. Such as evacuation stairs, fire elevators and outdoor evacuation stairs. , you can also consider using windows, balconies, roofs, downpipes, etc.
5. Protect the respiratory system. When escaping from the smoke, try to keep your body close to the ground and cover your mouth and nose with a wet towel. Otherwise, it is easy to be poisoned or suffocated by hot air burning the soft tissue of respiratory system.
Students, no matter how lofty the ideal is, no matter how bright the future is, we need to ensure the safety of our lives. "Stay away from the fire and create a safe campus" is our common goal. Let us bear in mind that "hidden dangers are more dangerous than open flames, and prevention is better than disaster relief", work together, pay more attention to fire protection, cherish life more and realize shared peace!
Small knowledge of fire safety
First, what should I do if I find a fire?
If you find a fire, you should shout loudly or knock on something that can make a sound, such as washbasin and aluminum pot, to call more people to participate in the fire fighting, and call "1 19" to call the fire department quickly. Please pay attention to the following details when dialing "1 19":
1 and "1 19" fire telephones (preferably fixed telephones) should be calm. When you hear the dial tone, dial the number 1 19.
2. After the telephone is connected, the address of the fire (including road name, street name, lane name and house number) should be explained clearly.
3, as far as possible, explain what is the fire and fire scope, and the number of people trapped.
4. Quietly answer the questions of the communication staff of the "ll9" main console.
5, after the phone hang up, should send someone to meet the fire truck at the intersection.
Second, the three elements of fire fighting
1, follow the wind to avoid being burned by fire.
2, the root fire, the effect is the most thorough.
3, 2-3 meters from the root, the best distance. The effective distance of the fire extinguisher is only 4.5 meters.
Third, the use of portable dry powder fire extinguishers
1. Put the fire extinguisher on the ground, hold the bottleneck with your left hand, hook the safety pin with your right index finger and pull it gently. Don't hold the handle hard with your left hand.
2. Pick up the cylinder, hold the bottom of the cylinder with your left hand and squeeze the handle with your right hand.
3, when the fire cylinder should be tilted down 45 degrees.
4. The pointer of the gas cylinder pressure gauge points to the red area, indicating that the fire extinguisher is invalid, and those pointing to the * * and green areas can be used normally.
4. What material fires can't be put out by water?
1, alkali metals cannot be extinguished with water. Because water reacts with alkali metals (such as potassium and sodium), it can decompose water to produce hydrogen and release a lot of heat, which is easy to cause explosion.
2. Residual alkali metal carbides and alkali metal hydrides cannot be extinguished by water, such as potassium carbide, sodium carbide, aluminum carbide and calcium carbide. Potassium hydride and magnesium chloride react with water, releasing a lot of heat, which may cause fire and explosion.
3. Flammable liquids that are lighter than water and insoluble in water shall not be extinguished with water in principle.
4. Hot metal and molten steel cannot be put out with water. Because the temperature of molten steel is about 1600℃, water vapor can decompose hydrogen and oxygen above 1000℃, which may cause explosion.
5, three acids (sulfuric acid, nitric acid, hydrochloric acid) can't use concentrated water, spray water can be used when necessary.
6, high voltage electrical equipment is on fire, in the absence of good equipment grounding or without cutting off the current, generally can't use water to put out the fire.
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