What should be paid attention to in automotive sheet metal welding?

For the problem of automotive sheet metal welding. I want to say the following questions. I hope it helps you. First of all, automotive sheet metal cannot do without these welding processes, including gas shielded welding, coating welding, electric welding, plasma cutting and even resistance suspension spot welding, which are all necessary. So how can we master these technologies quickly and accurately? Find a professional automobile school, and it won't take long to master it. Welding machine is even more essential. Without a welding machine, it is impossible to splice the sheet metal parts together!