When we wash anything in detergent then that thing is just clean not sanitized or pathogen free or sterilized. Cleaning is generally removal of visible dirt, oil and grease from it, while sanitation is removal or killing of food poisoning bacteria which is done through heating or with the help of some chemicals.
Leaders do their job every day by setting a goal and then apply full struggle in order to complete the goal in a limited time. The leaders has the ability to manage the time effectively and do more work in a limited time. They are the piece of inspiration and motivation for their teammates and other people. They lives a very busy life and work to serve its people.