Through the control of dust pollution, the working environment of mine worker is improved, the clean production is realized, and the incidence of the occupational disease is reduced.
通过对粉尘污染的治理，改善了矿山工人的作业环境，实现清洁生产，降低了职业病的发病率。
These problems are solved basically by means of the technical renovation. The pollution from coke oven production is reduced, and the working environment is improved.
通过技术改造，基本解决了此问题，降低了焦炉生产的污染，改善了工作环境。
But on the other hand, there was severe noise pollution due to the special working environment and features, which put negative effects to the patients and medical staff.
同时，由于特定的工作环境和性质，使ICU内噪音污染较为严重，对病人和工作人员带来了一定的负面影响。
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