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A UVGI system is designed to expose environments such as water tanks, rooms and forced air systems to germicidal UV. Exposure comes from germicidal lamps that emit germicidal UV at the correct wavelength, thus irradiating the environment. The forced flow of air or water through this environment ensures exposure of that air or water. [citation ...
The target is about "clean water and sanitation for all" by 2030. [53] It is estimated that 660 million people still lacked access to safe drinking water as of 2015. [37] [38] Since the COVID-19 pandemic in 2020, the fight for clean water and sanitation is more important than ever. Handwashing is one of the most common prevention methods for ...
A microfibre pad is often placed right underneath the steam jet to trap dirt. Most steam mops have a small water tank, and often provide dry steam. The steam mop was first envisioned by Romi Haan in 1998 in South Korea. She developed a prototype in 2001 and in 2004 the steam mop would hit the mass-market.
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Dettol is a brand line of products used for disinfection and as an antiseptic.This brand was created with the introduction of Dettol antiseptic liquid in 1933 by the British company Reckitt and Colman.
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The chlorination of the water supply helped stop the epidemic and as a precaution, the chlorination was continued until 1911 when a new water supply was instituted. [45] Manual-control chlorinator for the liquefaction of chlorine for water purification, early 20th century. From Chlorination of Water by Joseph Race, 1918.
The water trap filtration and low speed may also allow the user to use the machine as a stand-alone air purifier and humidifier unit. The dirty water must be dumped out and the appliance must be cleaned after each use, to avoid growth of bacteria and mold, causing unpleasant odors.