The Importance of Hand Washing: 5 Different Washing Durations and their Efficiency. (Glowing Regions Show Dirt and Microorganisms).
1. Before Washing, 2. Rinse and Shake, 3. Six Second Wash No Soap, 4. Six Second Wash with Soap, 5. Fifteen Second Wash with Soap, 6. Thirty Second Wash with Soap.

















