Mine Safety and Health Administration

Us Mine Safety & Health Administration

Wellston, 美国 中的 公共服务与政府
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The Directorate oversees the Agency’s budget and finance processes; MSHA’s nationwide facilities; physical property, emergency …

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常见问题解答

问:
What is respirable crystalline silica and how can it affect health?
答:
Occupational exposure to respirable crystalline silica results in adverse health effects and increases risk of death. The adverse health effects include silicosis (i.e., acute silicosis,...
答:
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