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A limitation of analog timekeeping was the technology's inability to reliably record times accurately below one tenth (0.1) of a second. [3] In 1967, the Omega company of Switzerland developed the first electronic timing system for swimming that attempted to coordinate the physical the recorded time.
Costco members can buy a two-year, all-club, 24 Hour Fitness membership package for $399.99. According to Reader's Digest, the same membership purchased directly through the gym chain would cost ...
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Insane Pools: Off the Deep End [1] [2] is a home improvement show airing on Animal Planet [3] [4] [5] and DIY Network [6] that follows pool designer Lucas Congdon [7] [8] [9] and his team from Lucas Lagoons.
Pennsylvania’s Punxsutawney Phil might be the most well-known weather-predicting groundhog, but a new list casts doubt on his accuracy.Phil did so poorly that even nonliving critters outshine ...
Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...
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