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2. Swimming pool - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool

   A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming or other leisure activities. Pools can be built into the ground (in-ground pools) or built above ground (as a freestanding construction or as part of a building or other larger structure), and may be found as a ...

3. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   Showering before swimming can reduce introduction of contaminants to the pool, and showering again after swimming will help to remove any that may have been picked up by the swimmer. Those with diarrhea or other gastroenteritis illnesses should not swim within 2 weeks of an outbreak, especially children. Cryptosporidium is chlorine resistant. [15]

4. Pond liner - Wikipedia

   en.wikipedia.org/wiki/Pond_liner

   Pond liners need to be protected from sharp objects (for example, stones) below the liner and from being punctured by any objects in the water body. Protection can be provided with layers of sand, geotextiles (particularly needle-punched nonwovens) and other materials. Pond liners are manufactured in rolls or accordion-folded on pallets.

5. Pool - Wikipedia

   en.wikipedia.org/wiki/Pool

   Pool (cue sports), a group of games played on a pool table; Pool (poker) or pot (poker), money wagered during a single hand of poker; Pool betting or parimutuel betting, a betting system in which all bets of a particular type are placed together Betting pool, a form of pool betting where gamblers pay a fixed price into a pool

6. List of swimming pools - Wikipedia

   en.wikipedia.org/wiki/List_of_swimming_pools

   It has a 50 m indoor Olympic pool (2m depth), a 50 m outdoor Olympic pool (4m to 2m in depth), a 25 m lap pool, and a 25-metre diving pool with .5, 1, 3, 5, 7, and 10 m diving boards and platforms. North Sydney Olympic Pool (1936), North Sydney , designed in Inter-War Free Classical style with art deco-style decorations, hosted the swimming and ...

7. Geosynthetic clay liner - Wikipedia

   en.wikipedia.org/wiki/Geosynthetic_clay_liner

   Geosynthetic clay liners (GCLs) are factory manufactured hydraulic barriers consisting of a layer of bentonite or other very low-permeability material supported by geotextiles and/or geomembranes, mechanically held together by needling, stitching, or chemical adhesives. Due to environmental laws, any seepage from landfills must be collected and ...