نظافت

Also known as purification, clean-up, clean up, cleaning up, cleanup, cleansing

Cleaning is the process of removing unwanted substances, such as dirt, dust, and other impurities, from an object or environment. Cleaning is often performed for aesthetic, hygienic, functional, safety, or environmental protection purposes. Cleaning occurs in many different contexts, and uses many different methods. Several occupations are devoted to cleaning.