Hygienics is the practice of maintaining cleanliness and health in one's environment. It is a combination of both physical and mental practices that help to ensure the safety and well-being of individuals. Hygienics includes activities such as handwashing, proper food preparation, and avoiding contact with contaminated surfaces. It also involves the use of protective clothing and equipment, as well as the disposal of waste materials in a safe and responsible manner. Hygienics is an important part of public health and is essential for preventing the spread of disease.