方法（1）：如果由其他金属的密合性的氧化，用布和洗涤氧化区域中性清洁剂，然后用水清洗，然后用0x7D0擦拭，小心不要用洗涤剂。保持领先。
Method (1): If it is oxidized by other metals, oxidize the neutral detergent with cloth and washing, then wash it with water, then wipe it with 0x7D0. Be careful not to use detergent. Keep ahead.
方法（2）：在靠近繁华街道空气污染的情况下，应定期进行测试处理氧化物，和情况应该用肥皂水洗涤以光。
Method (2): In the case of air pollution near busy streets, oxides should be regularly tested and treated, and the situation should be washed with soapy water to light up.
方法（3）：当工人清洗，你可以用手触摸垃圾桶，以便在手或手的污垢会导致氧化。此时，我们可以将一些酒精和丙酮倒入布中进行清洁，然后使用清洁液进行清洁。最后，用清水冲洗溶液并用干净的布擦干。
Method (3): When the worker cleans, you can touch the trash can with your hand so that the dirt in your hand or hand can cause oxidation. At this point, we can pour some alcohol and acetone into the cloth for cleaning, and then use the cleaning liquid for cleaning. Finally, rinse the solution with clean water and dry it with a clean cloth.