A Life Jacket, also known as life -saving vest, is a kind of rescue of life. It is designed with a vest, using nylon fabrics or neoprene, buoyancy materials or inflatable materials, reflective materials.How much do you know about the use of life jackets and the knowledge of buying it? Let ’s take a look at the relevant knowledge of life jacket with Xiaobian!
Introduction to life jacket
A Life Jacket, also known as life -saving vest, is a kind of rescue of life. It is designed with a vest, using nylon fabrics or neoprene, buoyancy materials or inflatable materials, reflective materials.The general use period is 5-7 years, which is one of the life-saving equipment on board and aircraft.Generally, it is made of foam plastic or cork.Putting on the body has enough buoyancy to make the water falling from the water.
How to use the life jacket
According to experts, there are many types of life -saving clothing. According to different use objects, they are divided into adult life jackets and childrens life jackets.According to the working principle, it can be divided into ordinary life jackets and inflatable life jackets; inflatable life jackets are also common on the plane.Ordinary life jacket wearing method:
1. Put the life jacket on the neck and place the rectangular buoyancy bag in front of the body; tie the neckline band.
2. Put the left and right bands through the buckle bands on the left and right sides, and cross the back;
3. Put the band through the buckle ring on the chest and fight with the knot.
Notice:
1. Check whether the life jacket is broken before wearing, and check the device and gas cylinder when the inflatable life jacket.
2. Some life jackets are equipped with a reflective film on one side. If you wear the reflective film inside, you will not play a role.
3. To kill the strap, so as not to be shocked during diving or loosened for a long time.
Manual inflatable life clothing wearing method:
1. Put your head into the life jacket;
2. Tie the tie on the left and right sides;
3. Pull the tension on the left and right sides, the inflatable valve is opened, and the life jacket is inflated within a few seconds.
The manual inflatable life jacket on the plane also has a variety of equipment: the power supply of the orientation indicator is activated by seawater, and the power supply time can exceed 12 hours; some also include whistle, mirror, etc.
Principles of the role of life jacket
1. Filling -type life jacket, that is, use nylon or chlorine rubber as fabrics, fill the buoyancy material in the middle.
2. Inflatable life jacket: It is made of high -intensity waterproof material, similar to the principle of inflatable life -like life or swimming rings.Automatic inflatable or passive filling
However, this kind of life jacket should pay attention to: absolutely avoid sharp objects through or grind the waterproof layer. After leakage, it will cause serious consequences of unimaginable imagination.
Related tags: Sports