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2. Biosand filter - Wikipedia

   en.wikipedia.org/wiki/BioSand_Filter

   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 ...

3. 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 .

4. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

5. Backwashing (water treatment) - Wikipedia

   en.wikipedia.org/wiki/Backwashing_(water_treatment)

   Backwashing is a form of preventive maintenance so that the filter media can be reused. In water treatment plants, backwashing can be an automated process that is run by local programmable logic controllers (PLCs). The backwash cycle is triggered after a set time interval, when the filter effluent turbidity is greater than a treatment guideline ...

6. LG's CineBeam Q 4K projector with a crank-like handle will ...

   www.engadget.com/lgs-cinebeam-q-4k-projector...

   LG. At the Consumer Electronics Show earlier this year, LG officially unveiled a curious little box-like projector that comes with a handle that kinda looked like a crank. Well that model, called ...

7. The best smart garage-door controller - Engadget

   www.engadget.com/2019-09-27-the-best-smart...

   The manuals for both MyQ and GoControl state that the tech is designed to work only with sectional, roll-up doors. This is because single-panel doors typically do not require a garage-door opener.

8. Tom Bihn Cadet laptop / iPad bag organizes your belongings in ...

   www.engadget.com/2012-01-16-tom-bihn-cadet...

   Seattle-based Tom Bihn has been creating impressive travel bags since 1972, and I've had the pleasure of using and reviewing some of their laptop bags for TUAW over the past few years. In response ...

9. Crew of Titan sub knew they were going to die before ... - AOL

   www.aol.com/news/family-explorer-died-titan-sub...

   PATRICK WHITTLE and HOLLY RAMER. August 7, 2024 at 3:52 PM. The family of a French explorer who died in a submersible implosion has filed a more than $50 million lawsuit, saying the crew ...