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2. Injector - Wikipedia

   en.wikipedia.org/wiki/Injector

   The major advantage of jet pumps for deep well installations is the ability to situate all mechanical parts (e.g., electric/petrol motor, rotating impellers) at the ground surface for easy maintenance. The advent of the electrical submersible pump has partly replaced the need for jet type well pumps, except for driven point wells or surface ...

3. Vacuum ejector - Wikipedia

   en.wikipedia.org/wiki/Vacuum_Ejector

   A vacuum ejector, or simply ejector, or aspirator, 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.

4. Jet aerators - Wikipedia

   en.wikipedia.org/wiki/Jet_aerators

   Jet aerators can be installed either as submersible units or piped through the tank wall using an external dry-installed chopper pump to feed the aspirating ejector(s). Jet aerators are easily configured into any basin geometry including circular, rectangular, looped reactors and sloped wall basins.

5. Glossary of firefighting equipment - Wikipedia

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

   A Variable Speed (VFD) Fire Pump Controller is a fire pump controller that is able to vary the speed of the motor depending on the demand of the fire pump, resulting in the ability to hold a constant discharge pressure. Ventilation saw A high-powered saw with metal-cutting teeth or disc for quickly making large openings in roofing materials.

6. Sewage pumping - Wikipedia

   en.wikipedia.org/wiki/Sewage_pumping

   KOS+ M openwell submersible pump. Small-scale sewage pumping is normally done by a submersible pump. This became popular in the early 1960s, when a guide rail system was developed to lift the submersible pump out of the pump station for repair, and ended the dirty and sometimes dangerous task of sending people into the sewage or wet pit. [1]

7. Stranger beats and rapes woman after following her in brutal ...

   www.aol.com/news/stranger-follows-woman-26-beats...

   A stranger followed a 26-year-old woman before beating and raping her in a brutal Wednesday morning Bronx attack, cops said. The victim was walking on Virginia Avenue near Wood Avenue in ...