① hair marks: car wash, rub the car or a slight friction resulting from the fine scratches, the general touch without feeling.
② Shallow Scratches: The top coat is damaged and no scratches on the primer are scratched into shallow scratches. Touch feeling
③ moderate scratches: paint was destroyed, scratched the primer scratches for moderate scratches.
④ depth scratches: Leakage of car iron plate ，polishing grinding can not be repaired.