Sterilization - is a process that eliminates all harmful life forms from materials, surfaces. This process can be done using radiation or high temperatures.
Disinfection - is the cleaning of places or surfaces with chemical or physical agents to eliminate harmful substances or organisms.
Sanitization - is the application of methods to clean an environment, place, or surface. It also aims to prevent disease or other means of contamination.
Antisepsis - is a method that applies specific products to reduce or eliminate life forms on the skin or elsewhere on the body.
Gegerming - is the removal or reduction of microorganisms from the skin through a method involving soap, water, and a brush.