Water jet
Water jet has several meanings including :
  • Water jet cutter
    Water jet cutter
    A water jet cutter, also known as a waterjet, is a tool capable of slicing into metal or other materials using a jet of water at high velocity and pressure, or a mixture of water and an abrasive substance. The process is essentially the same as water erosion found in nature but greatly accelerated...

    , a tool for cutting virtually any material
  • Water jet cleaning and surface preparation, a tool for cleaning and surface preparation using ultra-high pressure waterjet
  • a jet
    Jet (fluid)
    A jet is an efflux of fluid that is projected into a surrounding medium, usually from some kind of a nozzle, aperture or orifice. Jets can travel long distances without dissipating...

     of water under pressure, like in an ornamental fountain
  • Pump-jet
    A pump-jet, hydrojet, or water jet, is a marine system that creates a jet of water for propulsion. The mechanical arrangement may be a ducted propeller with nozzle, or a centrifugal pump and nozzle...

    , a marine propulsion mechanism for jetskis and other types of boats

  • Water jet (recreation)
    Water jet (recreation)
    A water jet used for recreation is generally smaller than a water cannon, but large enough that the water can spray several meters or feet. People can either insert money to pay for a predetermined amount of usage time, or push a button for free to start and stop the water. The water jet can be...

    , a personal-use water cannon that can be turned to spray in different directions and is usually found in water parks
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