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  2. Aqua-Lung - Wikipedia

    en.wikipedia.org/wiki/Aqua-Lung

    The Aqua-Lung is a self-contained open-circuit demand system, which means that breathing gas is provided from high-pressure storage carried by to the diver on demand, when the diver inhales and reduces the pressure in the supply hose, subsequently the flow is shut off when not required.

  3. Pump-jet - Wikipedia

    en.wikipedia.org/wiki/Pump-jet

    A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller (axial-flow pump), a centrifugal pump, or a mixed flow pump which is a combination of both centrifugal and axial designs. The design also incorporates an intake to provide water to the pump and ...

  4. Submersible pump - Wikipedia

    en.wikipedia.org/wiki/Submersible_pump

    A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

  5. Pumped-storage hydroelectricity - Wikipedia

    en.wikipedia.org/wiki/Pumped-storage...

    Freshwater from the river floods is stored in the sea area replacing seawater by constructing coastal reservoirs. The stored river water is pumped to uplands by constructing a series of embankment canals and pumped storage hydroelectric stations for the purpose of energy storage, irrigation, industrial, municipal, rejuvenation of overexploited ...

  6. Eddy pumping - Wikipedia

    en.wikipedia.org/wiki/Eddy_pumping

    Eddy pumping is a component of mesoscale eddy-induced vertical motion in the ocean.It is a physical mechanism through which vertical motion is created from variations in an eddy's rotational strength.

  7. SP (TV series) - Wikipedia

    en.wikipedia.org/wiki/SP_(TV_series)

    Two movies have been made using the same cast and crew as the TV-series. The first film, SP: Yabou-hen (international title SP: The Motion Picture), was released on October 30, 2010 and made ¥3.63 billion, making it one of the highest-grossing films of 2010 in Japan. [3] It also grossed $26,167 in Hong Kong, for a total of $39.65 million in ...

  8. Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania

    The Pennsylvania State University is Pennsylvania's land-grant university, Sea Grant College, and Space Grant College. The University of Pennsylvania, founded in West Philadelphia in 1740 by Benjamin Franklin , a Founding Father of the nation, is Pennsylvania's only Ivy League university, and is the geographically most southern of the nation's ...

  9. International Space Station - Wikipedia

    en.wikipedia.org/wiki/International_Space_Station

    On 24 December 2013, astronauts installed a new ammonia pump for the station's cooling system. The faulty cooling system had failed earlier in the month, halting many of the station's science experiments. Astronauts had to brave a "mini blizzard" of ammonia while installing the new pump. It was only the second Christmas Eve spacewalk in NASA ...

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