In the automotive sheet metal in one of the most difficult part is the strict repair, that is, we commonly known as the diffraction of the seam (adjust the gap between the accessories), this link is not every sheet metal worker can do, not every sheet metal worker can do a good job, if there is no superb technology and enough patience is not good to do this part! So to do a good job, but also one step at a time to build a solid foundation, slowly believe that you will become a master of the sheet metal world!