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2. Booster pump - Wikipedia

   en.wikipedia.org/wiki/Booster_pump

   Small compressed air powered breathing gas booster pump Haskell booster set up for charging rebreather cylinders from premix banks with low pressure compressor. A booster pump is a machine which increases the pressure of a fluid. It may be used with liquids or gases, and the construction details vary depending on the fluid.

3. Circulator pump - Wikipedia

   en.wikipedia.org/wiki/Circulator_pump

   A circulator pump for home use. A circulator pump or circulating pump is a specific type of pump used to circulate gases, liquids, or slurries in a closed circuit with small elevation changes. They are commonly found circulating water in a hydronic heating or cooling system.

4. Boiler feedwater pump - Wikipedia

   en.wikipedia.org/wiki/Boiler_feedwater_pump

   A duplex steam pump has two sets of steam and water cylinders. They are not physically connected but the steam valves on the first pump are operated by the movement of the second pump's piston rod, and vice versa. The result is that there are no "dead spots" and the pump is always self-starting. [2]

5. Hydraulic ram - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_ram

   The device uses the water hammer effect to develop pressure that allows a portion of the input water that powers the pump to be lifted to a point higher than where the water originally started. The hydraulic ram is sometimes used in remote areas, where there is both a source of low-head hydropower and a need for pumping water to a destination ...

6. South Korea martial law ‘a painful reminder of how easily ...

   www.aol.com/south-korea-martial-law-painful...

   There is mounting pressure for him to resign. Protesters began marching down the center of the city Wednesday evening, calling for him to be arrested. Six opposition parties have submitted a bill ...

7. Blinken heads to the Middle East as U.S. looks to kick start ...

   www.aol.com/news/blinken-heads-middle-east-u...

   U.S. Secretary of State Antony Blinken will depart for the Middle East on Monday, the State Department said, as Washington is pushing to kickstart ceasefire negotiations to end the Gaza war ...