主要包括有三种，可回收、不可回收和有毒物质。
It mainly includes three kinds, recyclable, non recyclable and toxic substances.
1、可回收物是指适宜回收循环使用和资源利用的废物。
1, recyclable materials refer to waste that is suitable for recycling and utilization of resources.
主要包括：
Mainly include:
（1）纸类：未严重玷污的文字用纸、包装用纸和其他纸制品等。如报纸、各种包装纸、办公用纸、广告纸片等。
(1) paper: non serious stained paper, packaging paper and other paper products. Such as newspapers, all kinds of wrapping paper, office paper, advertising paper and so on.
塑料：废容器塑料、包装塑料等塑料制品。如塑料袋、塑料瓶、泡沫塑料、一次性塑料餐盒餐具、硬塑料等。
Plastics: waste containers plastic, plastic packaging and other plastic products. Such as plastic bags, plastic bottles, foam plastics, disposable plastic tableware, hard plastic, etc.
金属：各种类别的废金属物品。如易拉罐、铁皮罐头盒、铅皮牙膏皮等。
Metal: all kinds of scrap metal. Such as cans, tin cans, lead skin toothpaste and so on.
玻璃：有色和无色废玻璃制品。
Glass: colored and colorless waste glass products.
织物：旧纺织衣物和纺织制品。
Fabric: old textile clothing and textile products.
（2）不可回收物指除可回收垃圾之外的垃圾。常见的有在自然条件下易分解的垃圾，如果皮、菜叶、剩菜剩饭、花草树枝树叶等。
(2) non recyclable materials refer to garbage other than recyclable rubbish. Common in natural conditions are easy to decompose garbage, such as bark, vegetable leaves, leftovers, flowers, trees and leaves.
（3）有毒物质，如废旧电池、废荧光灯管、水银温度计、废油漆、过期药品等。
(3) Toxic substances, such as waste batteries, waste fluorescent lamps, mercury thermometers, waste paints, expired drugs, etc.