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"Cleanup" redirects here. For the Wikipedia guidelines, see Wikipedia:Cleanup. For the animation process, see Clean-up. Clean-up is a part of the workflow in the production of hand-drawn Animation, in which "clean" versions of the "rough" animation drawings are produced
Not to be confused with Cleanness. Cleanness is a Middle English alliterative Poem written in the late 14th century.
Pelican cleaning itself
Pelican cleaning itself
Large Brown Mantis cleaning itself
Large Brown Mantis cleaning itself

Cleanliness is the absence of dirt, including dust, stains, bad smells and garbage. A pelican is a large water Bird with a distinctive pouch under the beak belonging to the Bird family Pelecanidae. The Insect order Mantodea or mantises consists of approximately 2000 species worldwide in Temperate and Tropical habitats of Dust is a general name for minute Solid particles with Diameters less than 500 micrometers. A stain is a discoloration that can be clearly distinguished from the sufrace Purposes of cleanliness include health, beauty, absence of offensive odor, avoidance of shame, and to avoid the spreading of dirt and contaminants to oneself and others. Health is a state of complete physical mental and social well-being and not merely the absence of disease or infirmity NOTICE TO WOULD-BE-ROMEOS*************** Shame is variously an affect emotion cognition state or condition In the case of glass objects such as windows or windshields, the purpose can also be transparency. In Optics, transparency (also called pellucidity) is the Material property of allowing Washing is one way of achieving cleanliness, usually with water and often some kind of soap or detergent. WASHING is one way of Cleaning, namely with Water and often some kind of Soap or Detergent. Water is a common Chemical substance that is essential for the survival of all known forms of Life. SOAP (see below for name and origins is a protocol for exchanging XML -based messages over Computer networks normally using A detergent (as a noun is a material intended to assist Cleaning. In more recent times, since the germ theory of disease, it has also come to mean an absence of germs and other hazardous materials. The germ theory, also called the pathogenic theory of medicine, is a Theory that proposes that Microorganisms are the cause of many Diseases. The term hazardous waste comprises all toxic chemicals radioactive materials, and biologic or infectious waste. In industry, certain processes such as those related to integrated circuit manufacturing, require conditions of exceptional cleanliness which are achieved by working in cleanrooms. Microchipsjpg|right|thumb|200px|Microchips ( EPROM memory with a transparent window showing the integrated circuit inside A cleanroom is an environment typically used in Manufacturing or scientific research that has a low level of environmental Pollutants such as dust airborne

However, dirt may play a useful role in our immune systems. This shift in thinking can be traced back to 1989, when David Strachan put forth the "hygiene hypothesis" in the British Medicine Journal. In Medicine, the hygiene Hypothesis states that a lack of early childhood exposure to infectious agents Symbiotic microorganisms (e Strachan looked at the records of 17,000 British children and found that the greater number of older siblings they had, the less likely they were to come down with hay fever—a disease which, despite its name, is far more common in the city than the country. Hay Fever is a comic play written by Noel Coward in 1924 and first produced in 1925 with Marie Tempest as the first Judith Bliss Strachan wondered if the older children were bringing home more viral infections to their younger siblings, priming their immune systems so they could better tolerate pollen. The "hygiene hypothesis" has now been linked with asthma, allergies, intestinal diseases including Crohn's disease, childhood leukaemia and atopic dermatitis and the list is growing. In Medicine, the hygiene Hypothesis states that a lack of early childhood exposure to infectious agents Symbiotic microorganisms (e Asthma is a chronic Condition involving the Respiratory system in which the airways occasionally constrict become inflamed, and are Allergy is a disorder of the Immune system often also referred to as Atopy. Crohn's disease is a Disease of the Digestive system which may affect any part of the Gastrointestinal tract from Mouth to Anus Leukemia or leukaemia (Greek leukos λευκός, "white" aima αίμα, "blood" is a Cancer of the Blood Dermatitis is a Blanket term meaning any " Inflammation of the skin" (e

Cleanliness is essential to successful electroplating, since molecular layers of oil can prevent adhesion of the coating. Electroplating is the process of using electrical current to reduce Cations of a desired material from a solution and coat a conductive object The industry has developed specialized techniques for parts cleaning, as well as tests for cleanliness. Parts cleaning is essential to many industrial processes as a prelude to Surface finishing or to protect sensitive components The most commonly used tests rely on the wetting behaviour of a clean hydrophillic metal surface.

Cleanliness is also important to vacuum systems to reduce outgassing. This vacuum means "absence of matter" or "an empty area or space" for the cleaning appliance see Vacuum cleaner. Outgassing (sometimes called offgassing, particularly when in reference to indoor Air quality is the slow release of a Gas that was trapped

See also

References

Dictionary

cleanliness

-noun

  1. the property of being cleanly, or habitually clean; good hygiene
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