Intelligent water meter is a new type of water meter that uses modern microelectronic technology, modern sensing technology and intelligent IC card technology to measure water consumption, transfer water consumption data and settle transactions. This kind of water meter has the following three advantages: first, without manual meter reading; Second, save labor cost; Third, improve the efficiency of meter reading.
Smart water meters adopt point-to-point remote transmission mode. If a water meter has a problem, it will only reflect the problem of the user's water pipe, and will not affect other users, which also brings great convenience to the maintenance of water meters and meter reading work in the later stage.
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Pressurized dressing and hemostasis are the most commonly used methods for effective hemostasis. They are suitable for all parts of the body. The method of operation is to cover the wound with sterile gauze or a clean towel or cloth, and then tighten it with a bandage, a triangle towel or a city belt, and raise the limb. It can also be padded at the bend of the limb and then wrapped with a bandage.
Trauma usually causes bleeding, especially large arterial vascular injury, excessive bleeding, pale face, cold sweat, cold hands and feet, shortness of breath, and even life-threatening. Therefore, for such wounded people, we must first race against time, accurately and effectively stop bleeding, and then take other emergency treatment measures. Bleeding can be divided into three types: one is arterial hemorrhage, the blood is bright red, the frequency of the heart beats from the wound, the speed is very fast, and the harm is great; the second is venous hemorrhage, the blood is dark red or purple Suddenly, it flows out from the wound; the third is capillary bleeding, the blood is red, and it flows out of the wound like a waterdrop, and it can coagulate itself to stop bleeding.
Capillary and venous bleeding, usually wrapped in gauze, bandages, can stop bleeding. Large veins and arterial bleeding can be stopped by pressure bandaging.