通过对采矿废石、煤矸石及选矿尾矿等的具体分析，可以肯定二次资源综合利用潜力是巨大的。
This paper analyses concretely the waste mining rock, coal gangue and tailings, thus it can draw a conclusion that its potential is huge.
第三十条企业应当按照国家规定，对生产过程中产生的粉煤灰、煤矸石、尾矿、废石、废料、废气等工业废物进行综合利用。
Article30enterprises shall make a comprehensive utilization of fly ash gangue tailing lean material scrap material exhaust gas and other industrial wastes generated in production.
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