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  2. Hand pump - Wikipedia

    en.wikipedia.org/wiki/Hand_pump

    2.3 Siphon. 2.4 Chain pump. 2.5 Direct action. 2.6 Deep wells. 2.7 Diaphragm. ... 3 Hand pumps and access to clean water. Toggle Hand pumps and access to clean water ...

  3. Siphon - Wikipedia

    en.wikipedia.org/wiki/Siphon

    Alternatively the siphon may be primed by a pump at either the intake or outlet. Gas in the liquid is a concern in large siphons. [30] The gas tends to accumulate at the crest and if enough accumulates to break the flow of liquid, the siphon stops working.

  4. Backflow prevention device - Wikipedia

    en.wikipedia.org/wiki/Backflow_prevention_device

    Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.

  5. Jiggle syphon - Wikipedia

    en.wikipedia.org/wiki/Jiggle_syphon

    A jiggle syphon (or siphon) is the combination of a syphon pipe and a simple priming pump that uses mechanical shaking action to pump enough liquid up the pipe to reach the highest point, and thus start the syphoning action.

  6. Ki-Gass - Wikipedia

    en.wikipedia.org/wiki/Ki-Gass

    The Ki-Gass system, also referred to as Kigass or K-Gas, is "a system of starting petrol and Diesel engines by injecting finely divided fuel in the form of a mist into the in-take pipe." [ 1 ] The system uses a hand-pump to spray fuel into the air in-take, thus priming the engine for easier starting.

  7. Water recycling shower - Wikipedia

    en.wikipedia.org/wiki/Water_recycling_shower

    The first recycling shower, operated by a hand pump, was patented in England in 1767 by the stove maker William Feetham. [1] This recycling shower used the pump to push the water into a basin above the user's head. To receive the water, the user pulled a chain to release the water from the basin.