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  2. Water chlorination - Wikipedia

    en.wikipedia.org/wiki/Water_chlorination

    Manual Control Chlorinator for the liquefaction of chlorine for water purification, early 20th century. From Chlorination of Water by Joseph Race, 1918. The first continuous use of chlorine in the United States for disinfection took place in 1908 at Boonton Reservoir (on the Rockaway River), which served as the supply for Jersey City, New ...

  3. Swimming pool sanitation - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool_sanitation

    When any of these pool chemicals are used, it is very important to keep the pH of the pool in the range 7.2 to 7.8 – according to the Langelier Saturation Index, or 7.8 to 8.2 – according to the Hamilton Index; higher pH drastically reduces the sanitizing power of the chlorine due to reduced oxidation-reduction potential (ORP), while lower ...

  4. Bowl feeder - Wikipedia

    en.wikipedia.org/wiki/Bowl_feeder

    These parts are usually then fed on to a vibratory or air track [5] Centrifugal feeders: also referred to as "rotary feeders", have a conical central driven rotor surrounded by a circular bowl wall. The feeder separate component parts utilizing rotary force and the parts revolve with high speed and are pulled to the outside of the bowl. [6]

  5. Why the stock market crushed expectations in 2024 - AOL

    www.aol.com/why-stock-market-crushed...

    The election results helped deliver the stock market's best monthly gain of the year, with the Dow Jones and S&P 500 rising 7.5% and 5.7%, respectively in November.

  6. St. Louis to host U.S. Figure Skating championships before ...

    www.aol.com/st-louis-host-u-figure-175713507.html

    The final U.S. Figure Skating Championships before the 2026 Milan Olympics will take place in St. Louis. U.S. Figure Skating announced Monday the 2026 nationals would be Jan. 5-11 at the ...

  7. Former Notre Dame and Akron coach Gerry Faust dies at 89 - AOL

    www.aol.com/sports/former-notre-dame-akron-coach...

    Longtime college football coach Jerry Faust died Monday.He was 89. Faust coached at Notre Dame from 1981 through 1985 and then spent nine years as the head coach at Akron.