Naked iron rusts-old film processing, oil removal and spray clean anti-rust primer on ash-grinding and atom thick and thin putty putty-fine grinding putty to clean, spraying primers-spraying grinding instructions layer and drying and fine grinding and chlamydia trachomatis putty to fill out fine grind-cleaning vehicle thoroughly to water to cover-into the room of the lacquer that bake to clean and dust removal and oil removal of paint, metal paint spraying mix, varnish (paint type coating can be omitted the step)-baked polishing processing and checked after washing clean