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2. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   Using a water pump by itself is often not sufficient to completely sanitize a pool. Commercial and public pool pumps usually run 24 hours a day for the entire operating season of the pool. Residential pool pumps are typically run for 4 hours per day in winter (when the pool is not in use) and up to 24 hours in summer.

3. Swimming pool service technician - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_service...

   This swimming pool service technician is using a pool skimmer to remove debris from a courtyard fountain at an apartment complex in Tulsa, Oklahoma.. A swimming pool service technician is a person who maintains swimming pools, including keeping the water clean and safe by fixing pool equipment such as pumps, motors and water filters.

4. Failures of water supply and sanitation systems - Wikipedia

   en.wikipedia.org/wiki/Failures_of_water_supply...

   Figures collated by the RWSN in 2007 indicate an average rate of 36% non-functionality for hand pumps across 21 countries. This level of failure represents a total investment of between $1.2 and $1.5 billion in the last 20 years. [15] Almost 40% of sub-Saharan handpumps are not working in 2005. [16]

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7. Peristaltic pump - Wikipedia

   en.wikipedia.org/wiki/Peristaltic_pump

   The biggest advantage with the hose pumps over the roller pumps is the high operating pressure of up to 16 bar. With rollers, max pressure can arrive up to 12 bar (170 psi) without any problem. If the high operating pressure is not required, a tubing pump is a better option than a hose pump if the pumped medium is not abrasive.