To meet the specifications and tolerances given in the instructions SF or procedures. If the difference is clearly observed on the thickness, it can be evaluated in both places where thick and thin .
Instructions or specifications dictated by the SF & satisfy the tolerances. In the case is not so clear in the thick, to evaluate in both thick and thin,. < D >
Satisfy specifications & clearance ordered with a procedure book or SF. When a difference is accepted clearly by thickness, evaluate it in the place where is thick and both thin place one. <D>