Public Toilet

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A toilet is a sanitation fixture used primarily for the disposal of human excrement and urine, often found in a small room referred to as a toilet/bathroom/lavatory. Flush toilets, which are common in many parts of the world, may be connected to a nearby septic tank or more commonly in urban areas via "large" (3–6 inches, 7.6–15 cm) sewer pipe connected to asewerage pipe system. The water and waste from many different sources is piped in large pipes to a more distant sewage treatment plant. Chemical toilets are used in mobile and many temporary situations where there is no access to sewerage, dry toilets, including pit toilets and composting toilet require no or little water with excreta being removed manually orcomposted in situ. The word toilet may also be used, especially in British English to describe the room containing the fixture, for which euphemisms such as restroom or bathroom are used inAmerican English. Prior to the introduction of modern flush toilets, most human waste disposal was done through the use of household chamber pots, or took place outdoors inouthouses or latrines. Pail closets were introduced in England and France in an attempt to reduce sewage problems in rapidly expanding cities. Ancient civilizations used toilets attached to simple flowing water sewage systems included those of the Indus Valley Civilization, e.g., Harappa[1] and Mohenjo-daro[2] which are located in present day India and Pakistan[3] and also the Romans and Egyptians.[4] Although a precursor to the modern flush toilet system was designed in 1596 by John Harington,[5] such systems did not come into widespread use until the late nineteenth century.[6] Thomas Crapper was one of the early maker of toilets in England. Diseases, including cholera which still affects some 3 million people each year, can be largely prevented when effective sanitation and water treatment prevents fecal matter from contaminating waterways, groundwater and drinking water supplies. Infected water...
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