结论通过采取一定的降氡措施和限制工作人员在坑道内工作时间，则可避免氡对人体的危害。

Conclusion By adopting some measures to reduce radon and limiting the upper working hour in a year, the harm of radon to human can be avoid completely.

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目的：探讨手术室工作环境对工作人员的职业危害及防护措施。

Goal: Discusses the operating room working conditions to staff's occupation harm and the protective measure.

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而后需要专业的核危害处理工作人员对其进行清理。

They would have to be cleaned up by nuclear-hazard crews.

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