At present, there are more than 300 complaints caused by home decoration. It is not difficult to see from the various complaints about home decoration that a few home improvement companies have used cutting-edge methods such as cutting corners and shoddy work in order to obtain profits, bu.......
Recently, the two general standards for "General Technical Conditions for Winter Clothes" and "General Technical Conditions for Composite Half-tubes for Geotextiles" were held in Xi'an. The meeting was chaired by Li Peng, Director of the .......
Initially, people used to apply a protective layer on the surface of the object to protect our materials from the erosion of air or other substances during their use. For this purpose, people go from paint to protective film to today. Electroplating surf.......
Incorrect alarm due to improper system design
Equipment selection is the key to the system design. There are a wide variety of alarm equipments. Each has its own cha.......