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2. Center-pivot irrigation - Wikipedia

   en.wikipedia.org/wiki/Center-pivot_irrigation

   A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.

3. Lift irrigation - Wikipedia

   en.wikipedia.org/wiki/Lift_irrigation

   Periyar lift irrigation in Kadungallur, Kerala Forebay, Stage-1 of Dehani lift irrigation scheme, Maharashtra Lift Irrigation canal in West Godavari district Lift irrigation is a method of irrigation in which water is not transported by natural flow, (as in gravity-fed canal ) but is lifted with pumps or surge pools etc. [1]

4. Hydraulic ram - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_ram

   A hydraulic ram pump, ram pump, or hydram is a cyclic water pump powered by hydropower. It takes in water at one " hydraulic head " (pressure) and flow rate, and outputs water at a higher hydraulic head and lower flow rate.

5. Drones banned over 'critical infrastructure' sites in New ...

   www.aol.com/news/drones-banned-over-critical...

   Areas in Queens, Bronx, Staten Island and Yonkers are among the locations listed in the FAA's recent wave of drone restrictions.. According to Homeland Security, critical infrastructure includes ...

6. Tube well - Wikipedia

   en.wikipedia.org/wiki/Tube_well

   A tube well is a type of water well in which a long, 100–200 millimetres (3.9–7.9 in)-wide, stainless steel tube or pipe is bored underground. The lower end is fitted with a strainer, and a pump lifts water for irrigation.

7. Chain pump - Wikipedia

   en.wikipedia.org/wiki/Chain_pump

   Chain pumps were used in European mines during the Renaissance; mineralogist Georg Agricola illustrated them in his De re metallica (1556). [7] Chain pumps were commonly used on naval vessels of the time to pump the bilges, and examples are known in the nineteenth century for low-lift irrigation.