Phenomena and hazards
During welding, the same arc voltage shall be selected regardless of backing, filling, covering and groove size.In this way, it may not reach the required penetration and wid...
Generally speaking, the large construction process mainly includes the following five points:
1. Hoisting of main structure, 2. Installation of secondary structure, 3. Installation of roof panel ...
1.Roof ridge part:
The main reasons for water leakage in this part are as follows: the wave crest at the ridge is too high, and the roof ridge cover plate can not be waterproof; the longitu...
The U.S. Food and Drug Administration (FDA) has released definitive guidance to inshell egg producers on how to comply with certain provisions of the final rule, entitled “Prevention of Enter...
The application of light steel structure in pharmaceutical workshop has been more and more extensive. It has solved the problems that should be paid attention to in the construction, constant temp...
Once you get the operation chart, don’t blindly model and calculate.First, conduct comprehensive analysis, communicate with architectural designers, and fully understand the various conditio...