As shown below

The main symptoms are the following: 1. Dirty spots; that is, the reason why the paint room is not cleaned during painting, causing malfunctions after painting , the general repair and elimination method is to grind and polish the paint surface to eliminate it. If the dirty spots are relatively large or are on the bottom layer, they need to be reworked. 2. Water spots; they are also relatively dirty spots. The fault is caused by environmental humidity and air pump maintenance, that is, water accumulation in the paint pipeline. Generally, this kind of fault is caused by the thickness of the paint surface. Grind and polish, otherwise it will need to be reworked. 3. Glue repair; According to the description of the above phenomenon, if a transparent color appears, combined with past management cases, that is, when the paint workers find small pits or dirty spots on the paint surface after spraying, they will use dripping glue to deal with it. way to repair.