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DIRECTIONS : Do not leave the residue in the test tube. Rinse and dry the test tube after each test. Keep the bottles upright to drip for accuracy. Take a test bed at a depth of about 450mm and ...
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From the family pool, the indoor swimming pool to the water park, the pool, etc. They all have a filtering and water treatment system that is quite similar. together . It is a combination of water ...
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A skimmer is a device that is placed in the pool to collect water, usually used for small pools and not using sponges.
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Underwater lighting is one of the best applications of fiber optic lighting technology where the use of conventional LEDs is impossible or extremely complex and costly.
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