The problems of large occupation area, solid waste polluting water as well as intensifying secondary geological disaster are existing in the development of the mineral resource in Yunnan Province.

云南省矿产资源开发中，存在占地面积大，固体废弃物污染水体和加剧次生地质灾害等环境问题。

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There is a large amount of solid waste yield in mines of China, making up 90 percent of industrious solid waste.

我国矿山固体废弃物产生量较大，是工业固体废弃物产生量的90 %。

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In foundry production, two great pollution sources are use of resin binders containing toxic matters and large amount of solid garbage resulting from waste sands.

铸造生产的两大污染源，一是使用含有有毒物质的树脂黏结剂，二是排放的废砂成为大量固体废物。

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