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Corrugated cardboard is separated from mixed paper, both of which are then baled and sold.Plastic bottles and cartons are plucked out by hand. 波纹纸板与混合的纸质废料分离开来，然后对这两种纸制品分别打包并卖掉，而塑料瓶与纸箱需要工人用手选出来。