Foreword.This report is part of the English language, for a purpose. To study the knowledge from the wash, which this report is about to wash their hands. The advantage of the hands.The organizer to select this topic in the report. Due to a reflecting hand washing 7 steps. The benefits of hand washing, who developed thanks to the knowledge, the website. The various data sources, including every person. The author hope that this report will provide knowledge. And it is benefit for the reader to everyone.
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