What is body panel painting? Please be more specific ...

Sheet metal painting means that when a car has a traffic accident, after two cars collide, the car is sent to the garage for sheet metal painting. Sheet metal means to repair the collision place to the original factory. Repair the crashed car with oxygen, electric welding, connecting poles and hanging keys. Painting is the color of the car before. Now the car is painted in that color, and it can be changed into other colors. The painting process includes putty, water sandpaper and gray primer, and then it can be sprayed into the dust-free curing barn. After painting, it must be blanched and dried in a dust-free curing barn before it can leave the dust-free curing barn.