Cracking is a great hidden danger in solar cells, and it can't be repaired by cracks. It will eventually become debris and cause damage, even threatening other qualified silicon wafers. At present, there is no mature technology for the detection of silicon cracks in the industry. With the rapi ...read more...
With the pollution of the environment, the surface of some mechanical equipment is severely corroded, which requires some processing of the pretreatment equipment or the surface treatment equipment in order to extend the life. Pretreatment equipment is mainly divided into physical and chemical for ...read more...
The proper selection of building waterproof material not only can reduce the cost of the entire project, but also guarantee the waterproof quality of the building later. Each kind of waterproof material has its special performance. If you choose cheaper waterproof material as a substitute for cost ...read more...
Folding chair , lightweight, stackable seat, easy to move and save space. Originally used for military purposes. Commonly used language training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places. Go Jiaju.c ...read more...
These days, the layout of the entertainment version has basically been contracted by the baby. I would like to spend a happy day on this one's share of trouble. It's really tragic. But still want to remind the friends who are decorating or preparing to decorate, don't forget to have th ...read more...
As the saying goes: "live to old, learn old." People who have watched in life know what a kitchen exhaust fan is. The kitchen exhaust fan , as the name suggests, is used to exhaust the fan in the kitchen. Although the kitchen exhaust fan is a very inconspicuous part, but it plays a great ...read more...
Distribution of bait station 1. Picking points: The bait box should be placed in the place where the rats rest, find food and often go back and forth, such as the wall along the wall of the unit, the street, the green belt, the garbage collection point, the sewer entrance, and the exit. In partic ...read more...