Teacher uses creativity and pepper to explain the importance of washing hands properly Channel: South China Morning Post693K views • 26/04/2020Related VideosWhy and How to Wash Hands Properly [UV Experiment]20 Second Hand Washing - The Science behind it and why it WORKS!Pepper And Water Science Trick | Why Washing Hands Is Important | Sema's Lab‘Always Wash Your Hands’: School Experiment Shows Importance Of Hygiene
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