Wastewater can be irrigated after purification 废水 净化后可以去灌溉
Scrap iron recycling can be re used to cast iron 废铁 回收后可以重新去利用，去铸铁
Waste batteries can be refined inside the heavy metals, C and other substances re use废电池 可以去提炼里面的重金属，C 等物质重利用
Burned coal contains many elements that can be used and can be filled烧过的煤 里面有很多元素，可以利用，还可以去填路
Asphalt is the residue of petroleum refining that can pave the way
沥青 就是石油提炼后的残渣，可以铺路
Plastics are made from those that are not used after petroleum refining塑料 就是石油提炼过后，用那些不用的东西做成的
The residue of sugarcane is a good raw material for making paper
甘蔗的残渣 是很好的生成纸的原料
The putamina can fall in the trees below, as fertilizer瓜皮果壳 可以倒在果树的下面，做肥料
There are also feces collected together, you can generate methane ah, make raw materials还有大小便 收集在一起可以生成沼气啊做原料
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