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2. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   Two distinct and separate methods are employed in the sanitation of a swimming pool. The filtration system removes organic waste on a daily basis by using the sieve baskets inside the skimmer and circulation pump and the sand unit with a backwash facility for easy removal of organic waste from the water circulation.

3. Personal flotation device - Wikipedia

   en.wikipedia.org/wiki/Personal_flotation_device

   Personal flotation devices being worn on a navy transport . A personal flotation device (PFD; also referred to as a life jacket, life preserver, life belt, Mae West, life vest, life saver, cork jacket, buoyancy aid or flotation suit) is a flotation device in the form of a vest or suit that is worn by a user to prevent the wearer from drowning in a body of water.

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

5. Swimming pool - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool

   This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. Artificial water basin for swimming For other uses, see Swimming pool (disambiguation). Backyard swimming pool Olympic-size swimming pool and starting blocks at Melbourne Sports and Aquatic Centre used for the 2006 Commonwealth Games in Melbourne, Australia A swimming pool, swimming bath ...

6. Waterproofing - Wikipedia

   en.wikipedia.org/wiki/Waterproofing

   Waterproofing conducted on the exterior of a freeway tunnel. Waterproofing is the process of making an object, person or structure waterproof or water-resistant so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions.

7. Neutral Buoyancy Laboratory - Wikipedia

   en.wikipedia.org/wiki/Neutral_Buoyancy_Laboratory

   In the late 1980s NASA began to consider replacing its previous neutral-buoyancy training facility, the Weightless Environment Training Facility (WETF). The WETF, located at Johnson Space Center, had been successfully used to train astronauts for numerous missions, but its pool was too small to hold useful mock-ups of space station components of the sorts intended for the mooted Space Station ...