Phần khó sơn, tức các phần như Corner, Edge, Scallop Hole, đường hàn thì có thể tiến hành thao tác sơn đường (Stripe coating) bằng Roller, sau đó tiến hành thao tác sơn chính (Spray).
Hard paint section, news section as Corner, Scallop Edge, Hole, then weld lines can proceed to manipulate the paint line (Stripe coating) with the Roller, then proceeded to manipulate the paint (Spray).
Part hard coating, ie the part as Corner, Edge, Scallop Hole, weld, you can start manipulating sugar coating (Stripe coating) by Roller, then start manipulating the paint (Spray).