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  2. Sump pump - Wikipedia

    en.wikipedia.org/wiki/Sump_pump

    Alternative sump pump systems can be driven by municipal water pressure. Water-powered ejector pumps have a separate pump, float and check valve. [4] The float controlling a backup pump is mounted in the sump pit above the normal high water mark. Under normal conditions, the main electric powered sump pump will handle all the pumping duties.

  3. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    Water in the appliance is used to supply a flow of water to the ejector pump, which uses high pressure nozzles to entrain an increased volume of water in the hose returning to the fire appliance. Elevator key control panel override key to take elevator car to desired floor. May also refer to special tool used to open elevator shaft-protection ...

  4. Vacuum ejector - Wikipedia

    en.wikipedia.org/wiki/Vacuum_Ejector

    A vacuum ejector, or simply ejector is a type of vacuum pump, which produces vacuum by means of the Venturi effect.. In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in cross-sectional area.

  5. Injector - Wikipedia

    en.wikipedia.org/wiki/Injector

    It is a fluid-dynamic pump with no moving parts except a valve to control inlet flow. Depending on the application, an injector can also take the form of an eductor-jet pump, a water eductor or an aspirator. An ejector operates on similar principles to create a vacuum feed connection for braking systems etc.

  6. Office vacancies surged and sale prices dropped further this ...

    www.aol.com/office-vacancies-surged-sale-prices...

    Office vacancies climbed more than 5% in six of the top 25 US markets this year, according to CommercialEdge. Sale prices, meanwhile, dropped again, down 9% from the average price in 2023.

  7. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    A pump for household use is usually 1 hp, 1.5 hp or 2 hp. A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called “sensing bells,” or attached externally to the pump, typically a float switch. (The level ...

  8. Some tax refunds can come with hidden fees, government report ...

    www.aol.com/tax-refunds-come-hidden-fees...

    The average refund for these taxpayers was $3,841, indicating that the cost of the RAC was about 1% of the total refund. The average refund for a fee-based RAL was $6,696.

  9. Watch family surprise grateful grandson with early Christmas ...

    www.aol.com/watch-family-surprise-grateful...

    Watch this family pull off the ultimate double holiday for Mike, who couldn't come home for both!

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