The hot weather in summer, playing with water cooling has become a big hobby of people. Since most people think that the water in the swimming pool is not safe, they have chosen outdoor rivers, reservoirs, beaches, etc. It's really pleasant to swim in the water during the summer. .
Fire alarm
Swimming should be careful. Wild swimming is dangerous. You must know about these dangers of wild swimming.
one
River swimming dangers:1
Different water speeds lead to different difficulty in swimming and different consumption of physical strength;2
The conditions of the river vary and the pool swimming conditions are basically fixed. The flow speeds of the surface and the bottom of the river are not the same. A seemingly calm water surface will hide vortices or undercurrents.3
Summer is the rainy season. The fluctuation of the river often undergoes great changes . The same location may be changed from no dangerous to very dangerous because of changes in the water level.4
In the wild environment, the temperature difference between water, water surface and underwater is very large. It is easy to cause cramps, dizziness, physical discomfort, and great potential danger.two
The risk of wild swimming in the reservoir:1
The water in the reservoir is relatively deep. Some places are more than ten or twenty meters deep. The temperature difference between the surface and the bottom of the reservoir is relatively large, and swimmers can easily cramp into the water.2
The terrain at the bottom of the reservoir is complex, with weeds and varying shades;3
Some reservoirs are equipped with water diversion and water lifting equipment, which can cause rapid turbulence and turbulence. Swimmers can easily be swept away by water.three
The danger of wild swimming in the sea:1
When swimming in non-swimming areas, the water conditions in the non-swimming areas are complex, often with reefs, aquatic plants, silt, and turbulence. With a little care, accidents may occur.2
Swimming in the sea without knowing tides and understanding the temperature of water can cause danger;3
Wilderness in the sea is easy to encounter the invisible killer of the beach—offshore.Fire alarm
Swimming knowledge to understand
On hot summer days, swimming in the water is a pleasure. But the swimming pool is far from satisfying the majority of swimming enthusiasts. Many fans have chosen to swim in the wild. However, the seemingly calm water often has hidden dangers and needs a lot of attention.
one
One does not go firmlyAfter all, swimming in the wild is not the same as managing a swimming pool. If there is anything else, at least there is a shouting person.
two
Hard drink and diving after drinkingAlcohol's paralysis can act directly on the brain's command system, causing people to lose consciousness for a short period of time. The probability of death after diving is extremely high and should definitely attract attention.
three
Thunderstorm days do not launch into the waterPrevent lightning strikes.
four
Unknown waters are definitely not diving, divingIf you do not understand the underwater situation, do not dived or tie the child, because it may be shallow or stones protruding, easily lead to bruising or more serious injuries.
Under the calm water, there may be hidden dangers, such as the undercurrent of aquatic plants. In general, various reservoir artificial lakes and other waterways have unobliterated dark channels. They are all under water. When the flow rate is large, suction is not something that individuals can resist.
Fives
Have no hunger and no waterIt is best to swim in the water one hour after a meal. In addition to having a bad health, it is easy to cause cramps.
six
Don't think swimming ring is foolproofSwimming with a swimming ring, rubber boat, floating bed, etc. should be a good choice, can be active and casual. However, there are some potential dangers for people who do not have water. With long-wearing, poor quality, once the leak, people are far away from the shore, it is still very dangerous, so need to pay attention to protect people who will not water.
Seven
Do not save in the water"Struggling" people
When someone finds that someone is drowning, save the person remembering one principle: Do not rescue yourself. If you are escaping from the other side, it is estimated that the two sink faster ; therefore, if you have not learned the water rescue technology, you should not rush into the water to save people. You should call “somebody drowning†and ask for support. At the same time, it actively seeks for auxiliary rescue equipment such as swimming ring, ball, wood, bamboo raft and so on.
The information in this article comes from the Internet and was reorganized and edited by China Rescue Equipment Network.
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