爱达荷州立大学中国学生学者联谊会

Chinese Association of Idaho State University (CAISU)

Hand sanitizer dispensers kill bacteria through the active ingredient of alcohol. Alcohol makes up anywhere from 60 to 90 percent of the sanitizer, and anything less than 60 percent may not be effective in killing bacteria. The secret is when the active ingredient of alcohol is put onto a potentially bacteria filled area, it damages the particles. It will only work if the sanitizer is put into direct contact with the area infected. To know more you can click here >>> Buy best cleaning products

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