HBV is a major infectious occupational hazard of health workers.

乙型肝炎病毒是影响卫生工作者的具有传染性的一大职业危害。

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The purpose of this paper is to analysis the hazard of pharmaceutical dust, and point out that the poison of drug is the key aspect to occupational health.

本文研究的目的是综合分析药物粉尘的危害特性，重点提出药物粉尘的药物毒性对职业健康危害的影响。

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In accordance with examples, methods of hazard identification, risk evaluation and control are described in setting up occupational safety and health for metallurgical enterprises.

结合实例阐述冶金建筑施工企业在建立职业健康安全管理体系中，危险辨识、风险评价和风险控制的方法。

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