How Much Water Does It Take to Wash Your Hands?

Answer

Hand washing is very important as it prevents the spread of germs and diseases like the flu. When using hand sanitizer to clean hands, water is not needed. You use 1 to 2 litres of water to wash your hands. Use warm water and soap and rub your hands for 20 seconds before rinsing.
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Gunpowder residue stays on your hands for a couple of hours. As soon as you wash it away with water though, it will leave your hands and go down the drain. ...
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