個人與家居衞生守則 A Guide to Personal , Home and Environmental Hygiene

個人與家居衞生守則 A Guide to Personal , Home and Environmental Hygiene

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日期:2025-05-07
Viruses and bacteria can enter the body easily through the eyes, mouth and mucous membrane of the nose. So, always remember to wash hands before touching the eyes, nose and mouth. • Wash hands after touching public installations or equipment, such as ......看更多