Cleaning

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Several cleaning methods
Hand washing (part of hygiene)
A dry cleaning machine
Carbon dioxide snow cleaning in an aerospace setting

Cleaning is the process of removing unwanted substances, such as dirt, infectious agents, and other impurities, from an object or environment. Cleaning occurs in many different contexts, and uses many different methods. Several occupations are devoted to cleaning.

Cleaning contexts[edit]

Cleaning occurs in various commercial, industrial, environmental, and domestic contexts, which differ in scale and requirements.

Cleaning methods[edit]

Cleaning is broadly achieved through mechanical action and/or solvent action; many methods rely on both processes.

Materials and items cleaned[edit]

Some items and materials require specialized cleaning techniques, due to their shape, location, or the material properties of the object and contaminants.

Buildings and structures[edit]

Other items[edit]

Occupations involving cleaning[edit]

Several occupations involve cleaning, either in their entirety or among other duties.

See also[edit]