垃圾分为四类：不可以回收和利用的垃圾。厨房里的果壳，菜叶，残羹剩饭等，用绿色塑料容器收集。可以回收和利用的垃圾。纸，塑料，玻璃，织物和金属等，用蓝色塑料容器收集。有毒和有害的垃圾。报废的电池，过期的药品，油漆桶，水银温度计，荧光灯灯管和日用化学品等，用红色塑料容器收集。其它的垃圾，用灰色或黄色塑料容器收集。

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Garbage is divided into four categories: Garbag that can not be recovered and used. Kitchen husk，leaves，leftovers ，etc. collected with green plastic containers.Waste that can be recovered and used. Paper，plastic，glass，fabric and metal，etc.，are collected in blue plastic containers.Toxic and hazardous waste. Scrap batteries，expired medicines，paint buckets，mercury thermometers，fluorescent tubes and household chemicals，etc.are collected in red plastic containers.Other rubbish，collected in gray or yellow plastic containers.