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2. KitchenAid - Wikipedia

   en.wikipedia.org/wiki/KitchenAid

   For the way it's made. KitchenAid is an American home appliance brand owned by Whirlpool Corporation. The company was started in 1919 by The Hobart Manufacturing Company to produce stand mixers; the H-5 is the first model that was introduced. The company faced competition as rivals moved into this emerging market, and introduced its trademarked ...

3. Ceramic water filter - Wikipedia

   en.wikipedia.org/wiki/Ceramic_water_filter

   A Victorian ceramic water filter. Ceramic water filters (CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries, [1] and portable ceramic filters are commonly used in backpacking. [2]

4. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   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 .

5. Biosand filter - Wikipedia

   en.wikipedia.org/wiki/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, bacteria, viruses ...

6. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

7. Paris Olympics: How U.S. swimmers are using math to win gold ...

   www.aol.com/sports/paris-olympics-u-swimmers...

   In their paper, they went into more detail — on how her imperfect head position was creating “extra turbulence and drag.” They estimated that, by correcting it, after 36 months of practice ...