Wikipedia

07 Nov.,2022

 

gym floor cleaning machines

Activity that purifies people, animals and objects of dirt and other particles

This article is about the process of removing unwanted physical substances from an object or environment. For other uses, see Cleaning (disambiguation)

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

Contexts

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

Methods

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A shop assistant washing a shop window in Jyväskylä Finland in the 1960s.

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

Cleaning by item

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

Buildings and infrastructure

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Other items

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Occupations involving cleaning

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

See also

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General

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  • Cleaning (disambiguation), for other uses of the term
  • Cleanliness, an abstract concept for a state that may be achieved by cleaning
  • Cleaning agent, substances used in cleaning
  • Contamination control, of which cleaning is a part

Biology and health

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  • Cleaning symbiosis, among living creatures
  • Hygiene, a set of practices performed for the preservation of health
  • Sanitation, techniques to protect human health by providing a clean environment
  • Sterilization (microbiology), the elimination or deactivation of biological agents

Organizing

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  • Professional organizing, improvement of organizing systems and processes
  • Sorting, any process of arranging items systematically

Technologies

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Other contexts

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  • Cleaning event, in which solar panels on planetary rovers are cleaned by wind
  • Cleaning validation, used to assure that manufacturing residues are removed