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2. Irrigation sprinkler - Wikipedia

   en.wikipedia.org/wiki/Irrigation_sprinkler

   Many irrigation sprinklers are buried in the ground along with their supporting plumbing, although above ground and moving sprinklers are also common. Most irrigation sprinklers operate through electric and hydraulic technology and are grouped together in zones that can be collectively turned on and off by actuating a solenoid valve .

3. Impact sprinkler - Wikipedia

   en.wikipedia.org/wiki/Impact_sprinkler

   The head can pivot on a bearing above the base. The force of the outgoing water flings the sprinkler arm on a circular motion. The arm, which is weighted for a particular speed of operation, is pushed back in to the stream of water by a return-spring. At the end of its travel it impacts a part of the sprinkler-head structure.

4. Micro-irrigation - Wikipedia

   en.wikipedia.org/wiki/Micro-irrigation

   Some micro-sprinklers have a fixed spray or stream pattern, while others rotate. These are installed above ground and are often used for fruit and nut orchards and vineyards. These systems are expensive, even for large-scale agricultural use, and are predominantly reserved for high-value crops.

5. Irrigation - Wikipedia

   en.wikipedia.org/wiki/Irrigation

   As of 2017 most center pivot systems have drops hanging from a U-shaped pipe attached at the top of the pipe with sprinkler heads that are positioned a few feet (at most) above the crop, thus limiting evaporative losses. Drops can also be used with drag hoses or bubblers that deposit the water directly on the ground between crops.

6. 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.

7. AOL Mail for Verizon Customers - AOL Help

   help.aol.com/products/aol-mail-verizon

   AOL Mail welcomes Verizon customers to our safe and delightful email experience!