Authorities should also guard against secondary geological hazards, transport people affected to safe areas and provide them with sufficient shelter, food, drinking water and medical services.

有关部门还应严防次生地质灾害，将受灾群众送往安全地区，为他们提供充足的住处、食物、饮用水、和医疗物资。

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Authorities % should also guard against secondary geological hazards, transport people affected to safe areas and provide them with sufficient shelter, food, drinking water and medical services.

有关部门还应严防次生地质灾害，将受灾群众送往安全地区，为他们提供充足的住处、食物、饮用水、和医疗物资。

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On the basis of the material technology in China, the mineral nutrition drinking water filter device has low cost, and effectively prevents the secondary pollution and is safer and more reliable;

本实用新型利用现在国内较为成熟的技术为基础，成本低廉，并有效防止 了二次污染，更加安全可靠；

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In 1999, more than half of all 16- and 17-year-old secondary school students reported drinking in the previous seven days.

BBC: Australia's new non-drinking puritans

Chloride, considered a secondary contaminant, could affect drinking water's taste, smell and color.

CNN: Salt creeping up the Mississippi River

However, the 2011 edition of Monitoring the Future, a study of the behaviors, attitudes and values of American secondary school students, notes that 22 percent of 12th-graders reported episodes of heavy drinking and 40 percent had consumed alcohol in the previous 30 days.

FORBES: A Sober Assessment of High-Risk Drinking on College Campuses