Safety knowledge on disaster prevention and reduction

We cannot avoid disasters, but knowing some safety knowledge about disaster prevention and reduction may increase our chances of survival. Let’s take a look at what safety knowledge about disaster prevention and reduction is available.

Safety knowledge on disaster prevention and reduction

What are the common catastrophic weathers

Mainly include typhoon, heavy rain, thunder and lightning, cold, hail, earthquake and high temperature, etc.

How to deal with the coming of typhoon?

A typhoon is a tropical cyclone, which refers to a rapidly rotating low-pressure vortex that occurs on the tropical or subtropical ocean surface, often accompanied by strong winds, heavy rain and Storm surges are highly destructive.

Emergency measures:

(1) Do not go out before the typhoon comes to prevent accidents such as being smashed, crushed, or electrocuted; move flower trays or other hanging objects on the windowsill , timely reinforce outdoor objects that are easily blown by the wind;

(2) Do not travel to areas where typhoons pass, and do not swim in the sea or drive out to sea during the typhoon;

(3) Personnel working outdoors at high altitudes, on water, etc. must stop working, and personnel working in dangerous areas must evacuate in time;

(4) Personnel living in low-lying areas and dangerous buildings must be relocated in a timely manner Get to a safe place.

How to deal with heavy rains?

Heavy rains, especially large-scale heavy rains or extremely heavy rains, often cause urban waterlogging in a short period of time, causing losses to residents’ lives and property, and causing serious damage to residents’ lives and property. Urban transportation will also have a significant impact.

Emergency measures:

(1) To prevent waterlogging in residential buildings, you can place water barriers or build earth ridges at the door of your home according to local conditions;

(2) When outdoor water spills into the room, the power supply should be cut off immediately to prevent the standing water from charging and injuring people;

(3) When walking in outdoor standing water, pay attention to observation and walk close to the building to prevent falling in Pits, manholes, etc.;

(4) When driving through deep water areas, try to avoid them as much as possible.

How to deal with thunderstorms?

Thunderstorms often produce strong discharge phenomena. If the discharge hits people, buildings or various equipment, it often causes casualties and economic losses.

Emergency measures:

(1) Pay attention to closing doors and windows, and indoor personnel should stay away from doors, windows, water pipes, gas pipes and other metal objects;

(2) Close household appliances Electrical appliances, unplug the power plug to prevent lightning from intruding from the power cord;

(3) When outdoors, take shelter in time and do not stay in the open field. If there is nowhere to take shelter, try to stay in a low-lying area. Avoid, or squat down immediately to lower your body height;

(4) Stay away from isolated trees, towers, telephone poles, billboards, etc.;

(5) Stop immediately Outdoor swimming, boating and other water activities;

(6) If many people are outdoors, do not get close to each other to prevent currents from conducting each other after being struck by lightning;

(7) Do not use mobile phones outdoors during thunderstorms; (8) People who are struck by lightning should immediately use cardiopulmonary resuscitation.

How to deal with floods?

Floods refer to natural phenomena that cause a rapid increase in the amount of water in rivers and a sharp rise in water levels due to heavy rains or reservoir dam breaches.

Emergency measures:

(1) When you are suddenly hit by a flood, you must be calm and calm, and move safely as quickly as possible. Safety transfers must put people before property, and the elderly, the young and the sick first Disabled persons, and finally other persons, must not take chances;

(2) Those who are besieged by floods and have communication facilities can use communication tools to seek rescue, and those who do not have communication tools can find ways to send calls for help to the outside world. signal, and at the same time, it can search for larger floating objects, etc., and proactively take self-rescue measures.

(3) When a house is besieged by floods, family members should be quickly arranged to move to the roof and find ways to send out a distress signal;

(4) Epidemics often occur after floods. Attention should be paid to epidemic prevention work.

How to deal with debris flows?

Debris flows are caused by floods in mountain valleys. They are torrents that carry large amounts of sediment and stones. Debris flows are fierce and often accompanied by mountain collapses. It is extremely destructive to crops, roads, bridges, houses and other buildings.

Emergency measures:

(1) If you find signs of debris flow, you should immediately observe the terrain and run to the hillsides or highlands on both sides of the ravine;

(2) Do not Stay in low-lying areas and do not climb trees to take shelter;

(3) Do not take shelter under rolling rocks or large amounts of debris.

How to deal with a tsunami?

A tsunami is a powerful and destructive wave. It is caused by submarine earthquakes, volcanic eruptions and underwater landslides and collapses, causing violent ups and downs of sea water, forming a powerful The waves push forward and inundate the coastal areas. Countermeasures:

(1) There are usually some abnormal phenomena before a tsunami, such as sudden and abnormal rise and fall of the tide, accompanied by a large number of blisters, a large number of sea creatures appearing on the shoals, etc. If you notice the signs of a tsunami, quickly evacuate the beach. Move inland or to high places;

(2) If you unfortunately fall into the water, try to grab wooden boards and other floating objects, reduce movements as much as possible, try not to swim, conserve and maintain physical fitness, and try to move closer to other people who have fallen into the water, so as to Relatively easy to spot.

How to deal with earthquakes?

An earthquake is a sudden release of slowly accumulated energy inside the earth causing vibrations on the earth's surface. Destructive earthquakes refer to earthquake disasters that cause casualties and property losses. Generally, earthquakes with a magnitude greater than 5 will cause varying degrees of seismic disasters and are often called destructive earthquakes.

Countermeasures:

(1) In combination with teaching activities, we should teach students about earthquakes and earthquake prevention and resistance knowledge. Before the earthquake, routes and venues for student transfer and evacuation must be arranged.

(2) When an earthquake occurs, you must be heavy and calm. When the earthquake occurs in a relatively strong and safe house, you can hide under the desk or next to the podium; students in the teaching building can go to a small room with pipes Students must not be allowed to run around or jump off the building in a supported room. After the earthquake, he calmly directed the students to evacuate in an orderly manner.

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