The car is using cut of knock against of the hard to avoid in the process, because this need makes paint,will make up for. Believe spirit law is secondhand the expert of vehicle center expresses, when buying two handcart, must notice to make the actor bad pitch of lacquer, the traffic accident that whether has because can judge this two handcart through becoming the place of lacquer,appeared to affect vehicle performance great or badly. 1, see radial reflex and off shade: Through the light and shade of automobile body reflex contrast is judged whether to make paint, the local reflex that makes paint commonly is very dark. Of course, the car with the bad quality that make paint can produce clear off color. 2, the feeling that use a hand arranges slippery sex: The local sense that makes paint will be not suitable slip, at the same time of automobile body not level off also can feel come out. 3, observation has the mark that does not have sand paper burnish: Should blow be bored with only child after using sand paper burnish, can stay have a mark, have very much or thick or fine streak, with the periphery that make paint section of whole primary vehicle lacquer is different. 4, beat automobile body to judge: The place sound of Ban gold wants a few graver, as a result of cut be bored with child Bao Houcheng is spent and primary vehicle lacquer is different. 5, open a machine to build: The examination has without rudimental paint and the chromatism that paint with automobile body.