Here was an interesting bit of "detail" information that was a surprise for us.
How many people knew that the doors on these vehicles were primed on the back sides of the door skins BEFORE they were mated to the inner door frame structure?
After the car body panels were assembled, the car was then dipped/submerged by the conveyor primer line. The first layer you will see on the back side of the door skin is the light color primer followed by the darker dip color.