What protective measures should be taken in case of heavy rain and hail?

Blizzard, rainstorm, fog disaster protection knowledge Blizzard and hail are more common, although they may not necessarily form disasters, we should also pay attention to protecting ourselves: l. Pay attention to adding clothes to keep warm in snowstorm days; We should reduce outdoor activities and avoid frostbite. 2. When it hails, you should avoid being indoors; If you are outdoors, use rain gear or other substitutes to protect your head and move it indoors as soon as possible to avoid injury. In a short period of time, the continuous rainstorm in an area will cause the river to rise violently, overflow dams, flood farmland and villages, and destroy roads, bridges and houses. This is a flood disaster. How should we save ourselves when the flood comes? L under the threat of flood, if there is enough time, it should be transferred to hillside, highland and other places in an organized way according to the predetermined route; In the case of being caught off guard and surrounded by floods, we should use boats, rafts, door panels, wooden beds, etc. Let the water transfer as much as possible. 2. When the flood comes too fast to move, you should immediately climb the roof, tall buildings, big trees and high walls, take temporary shelter and wait for rescue. Don't swim alone. In the mountainous area, if it rains continuously, it is easy to have flash floods. In this case, we should pay attention to avoid crossing the river and being washed away by mountain torrents, and also pay attention to preventing landslides, rolling stones and mudslides. 4. It is found that the high-voltage tower is toppled, and the wires are drooping or broken; Stay away from danger, don't touch or get close to it to prevent electric shock. 5. After the flood, you should take medicine to prevent epidemic, do a good job in health and epidemic prevention, and avoid infectious diseases. To prevent the harm of fog, a large number of small water droplets or ice crystal particles are suspended in the air near the ground, which makes people's vision blurred. When the horizontal visual distance drops below 1000 meters, it is called fog. Fog can be classified into grades. When the visible distance is less than 1000m and more than 5000m, it is called light fog. When the visible distance is less than 500 meters, it is called fog; When the visible distance is less than 200 notes, it is called dense fog. Protective measures against fog disasters Try not to go out. When you have to go out, wear a mask to prevent inhalation of toxic gases. Try to exercise as little as possible in foggy days, and don't exercise in foggy days. Pedestrians should be careful when crossing the road and see the passing vehicles clearly. When driving a vehicle and riding a bicycle, you should slow down and obey the traffic police's command. Don't rush by car (boat) or crowd at the ferry when you stop. How to pay attention to safety when cycling in rainy and snowy weather? When riding a bicycle in rainy and snowy weather, you should also pay attention to the following points: L. When riding in the rain, don't bury your head to avoid the rain. 2. When riding a bike in rainy days, you'd better wear a raincoat and poncho instead of riding a bike with an umbrella in one hand and a handle in the other. 3. When riding a bicycle in snowy days, don't inflate the bicycle tires too much, which will increase the friction with the ground and make it difficult to slip. 4. When riding a bike in snowy days, keep a large distance from the vehicles and pedestrians in front. 5. When riding a bike in snowy days, you should choose a flat road with no ice and shallow snow. Don't slam on the brakes, don't turn sharply, and turn as wide as possible. 6. Rain and snow. The road is muddy and slippery, so you should concentrate on cycling and be ready for emergencies at any time.