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Portable water purification unit used by International Red Cross and Red Crescent. Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens, and often also of suspended ...
A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .
Biosand filter. A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm. BSFs have been shown to remove heavy metals, turbidity ...
USA Gymnastics said Monday it can prove that a coach's appeal that put gymnast Jordan Chiles on the podium for a bronze medal in Paris was by the book, but the effort may be futile because the ...
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At the start of the year, Google added a feature to its search engine called About This Result. By tapping on the three dots icon located next to most results, the tool allows you to find out more ...
An artist's depiction of a 2000s-era desktop-style personal computer, which includes a metal case with the computing components, a display and a keyboard (mouse not shown). A personal computer, often referred to as a PC, is a computer designed for individual use. [1]
It features an iridescent finish on the lid and keyboard deck that, even under the garish convention center lights here in Las Vegas, managed to look pretty. Like the rest of the Gram line, the ...