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2. Level control valve - Wikipedia

   en.wikipedia.org/wiki/Level_control_valve

   A level control valve or altitude control valve is a type of valve that automatically responds to changes in the height of a liquid in some storage system. A common example is the set of ballcocks in a flush toilet , where each stage of the flush cycle is actuated by the emptying or filling of the tank.

3. Float switch - Wikipedia

   en.wikipedia.org/wiki/Float_switch

   A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices. One type of float switch uses a mercury switch inside a hinged float. Another common type is a float that raises a rod to actuate a microswitch.

4. Float (liquid level) - Wikipedia

   en.wikipedia.org/wiki/Float_(liquid_level)

   Liquid level floats, also known as float balls, are spherical, cylindrical, oblong or similarly shaped objects, made from either rigid or flexible material, that are buoyant in water and other liquids. They are non-electrical hardware frequently used as visual sight-indicators for surface demarcation and level measurement. They may also be ...

5. Water level (device) - Wikipedia

   en.wikipedia.org/wiki/Water_level_(device)

   The water level at each end of the tube will be at the same elevation, whether the two ends are adjacent or far apart, so a line between them will be horizontal at its midpoint and a shed base, building foundation or similar structure laid out using several such lines will be "horizontal" within building tolerances on any scale over which use ...

6. Regulators require stricter controls to curb leaks from oil tanks

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7. The Most Incompatible Zodiac Signs That Should Never, Ever ...

   www.aol.com/most-incompatible-zodiac-signs-never...

   Olena Ruban/Getty Images. 4. Incompatible: Taurus and Aquarius. The zodiac’s bull is stable and predictable, especially in matters of the heart.That can spell romance and reliability for some ...

8. Caldwell Tanks - Wikipedia

   en.wikipedia.org/wiki/Caldwell_Tanks

   St. Charles County, Missouri Water District 2 - Caldwell was awarded the 2005 Steel Tank of the Year Award by the Steel Tank Institute / Steel Plate Fabricators Association (STI/SPFA) for an elevated tank completed in December 2005. The 180-foot (55 m) tall tank has a capacity of 3,000,000 US gallons (11,000,000 L) of water. [10]

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   Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.