Dangerous materials are harmful to people's health and the environment.

危险材料对人体健康和环境有害。

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Use the World Health Day materials and graphics, photographs and features.

请使用关于世界卫生日的材料和图表、照片和特写。

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These groups provide written materials for the education of health professionals and the lay public.

这些团体提供成文材料教育健康专家和大众群体。

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NGO, fled to Beijing after police raided his office and seized his computer and health-education materials in October.

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The second day, 28 January, will be devoted to an examination of the relationship of chemistry to a range of subjects, such as health, energy, materials, nutrition and economic and social issues.

UNESCO: CULTURE

Finally, the Centers for Disease Control in Atlanta is an extraordinarily effective agency of the government, and they're providing educational materials for all health care providers.

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