Physical method of disinfection and sterilization?

Steam under pressure, or moist heat, is the most practical and dependable method for destruction of all microorganisms, process os called sterilization. Examples of sterilization equipment are the autoclave, pressure cooker, which is used in a home environment. Boiling water is the best method for home use. Radiation is used to sterilize4 pharmaceutical goods, foods, and heat-sensitive items. Dry heat is a method used for disinfection articles that are destroyed but moisture.