The orange peel affect, is caused by applying too thick off the gun, to get auto finish thinner coats and more of it, what I saw in the pics is called fish eyed, means contamination on the cloths or on the work, usally siliconis the main cause and oil. other reasons undercoat not cured properly. Orange peel affect is on almost everything that is industral, as its a good strong coat and will last for years, auto finish is good bht need to be upkept