Emergencies第 71 / 80 题
Why should you stay upwind of a hazardous materials leak?
a.To see the truck better
b.To keep the papers dry
c.To avoid breathing toxic fumes or vapors carried by the wind
d.To stay close to traffic
解析
Wind carries toxic gases, vapors, and smoke away from the leak, so standing upwind reduces your exposure. Staying uphill also helps because many hazardous liquids and heavy gases flow or settle downhill. Positioning yourself safely is essential before doing anything else.
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