Using Face Masks Properly To Help Avoid Most Kinds Of Yucky Airborne Things

28 04 2009

japan-face-masks

 In Japan, face masks are a common sight. Visitors often wonder why ordinary people wear what appears to be white surgical masks as they take the subway or walk around town. Face masks have evolved as a kind of courtesy: if you have caught a cold, you wear a mask to avoid spreading the germs to others. Also, masks may help people who suffer from allergies.

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via: treehugger


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