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A hand antiseptic, hand disinfectant, hand sanitiser or hand sanitizer is a supplement or alternative to hand washing with soap and water. Many preparations are available, including gel, foam, and liquid solutions.
II. Sanitizing is the process of reducing the number of microorganisms that are on a properly cleaned surface to a safe level. A safe level is defined as a 99.999% reduction of the number of disease microorganisms that are of public health importance.Sanitizing is accomplished by using either heat, radiation, or chemicals.leaning is the process of removing food and other types of soil from a surface, such as a dish, glass, or cutting board.