Home > Infectious Disease > The most important cleanliness tips Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Nov 27, 2010 by Cleveland Clinic, Views: 1730 Kids should learn to close the lid when they are done and learn to flush. Pre-moistened wipes can help you. The most important part of cleaning up is hand washing. When they first learn, kids love to wash their hands. Use warm water and soap for fifteen seconds and dry off well using a clean towel.