Ptt 大爆卦 | Wash hands steps - 前往 https://www.sfa.gov.sg/food-information/risk-at-a-glance/hand-hygiene-in-food-handling

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Hand Hygiene in Food Handling - SFA

The following 8 steps of hand washing are recommended: Wash palms; In between fingers; On the back of hands; At the base of both thumbs ...

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