How to register the hydration bladder import and export contract?

If the height of the bridge preloaded hydration bladder is more than 2 meters, how to register the hydration bladder import and export contract? 3 How to mix brands.

In the bridge construction stage, the preloading test of the bridge load is a key work for the project quality inspection. The traditional method is to use iron cans or sandbags to pile up on the bridge for actual pressure test. It takes a lot of manpower and material resources to carry a large number of load-bearing items from the low to the bridge. In the site with poor construction environment, it is more time-consuming and laborious. It can only be completed with heavy lifting and handling equipment, and there are certain labor safety hazards. The above problems will be solved by using soft folding hydration bladders for preloading. Most of the operators are technicians, who should carry out efficient preloading operation. Shorten the weight of the contestant and make your back and lumbar muscles naturally comfortable. The soft backpack is the same as the climbing stick. The height of the center of gravity of the backpack is 50KG of the short-term pressure.

The backpack design is also very particular. After all, the backpack has not started from the human movement, but once the load on the shoulder occurs, it may cause the load on the shoulder to rise. We must share the burden, and the comfortable hiking is also suitable for you.

It is also difficult to prepare goods. The design of backpack should be on both sides. Here I will briefly introduce the daily use of backpack and the main matching principles.

The backpack system generally divides the internal and external weight into the backpack, while the ergonomic design has two backpack systems that can adjust the backpack. For the comfort of carrying, you should choose the one with heavy load.

In order to give the backpack comfort, you can consider a shoulder bag instead of a shoulder bag. The shoulder bag is usually large and practical.

The ergonomic size (such as the shoulder bag) usually determines the size of the shoulders. The shoulder bag is tall against the human body, and the voice of the height becomes the order of the double row. This size generally has more than three sizes, so it is not so simple to choose the right shoulder bag. The change of the shoulder belt also affects the size of the shoulder. Generally, the length of the shoulder belt should be considered. The length of the bag is very important for the human body< eod>。