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  2. Electric toothbrush - Wikipedia

    en.wikipedia.org/wiki/Electric_toothbrush

    A typical electric toothbrush. An electric toothbrush, motorized toothbrush, or battery-powered toothbrush is a toothbrush that makes rapid automatic bristle motions, either back-and-forth oscillation or rotation-oscillation (where the brush head alternates clockwise and counterclockwise rotation), in order to clean teeth.

  3. These Are the Best Sprinklers We Recommend for Hassle-Free ...

    www.aol.com/best-sprinklers-lawn-garden...

    These spinning sprinklers have multiple spray arms extending from the center–each with a nozzle at the end–that whirl around when water pressure is turned on, flinging water in a complete circle.

  4. Impact sprinkler - Wikipedia

    en.wikipedia.org/wiki/Impact_sprinkler

    An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.

  5. Irrigation sprinkler - Wikipedia

    en.wikipedia.org/wiki/Irrigation_sprinkler

    An impact sprinkler head in action Sprinklers spraying water to irrigate vine plants in a vineyard. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate (water) agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of ...

  6. The best electric toothbrushes of 2025, according to dentists

    www.aol.com/lifestyle/best-electric-toothbrush...

    In 2013, the NIH published a study on whether or not oscillating-rotating brushes or sonic (vibrating) brushes worked better for users, specifically which version works better to eliminate plaque ...

  7. Irrigation - Wikipedia

    en.wikipedia.org/wiki/Irrigation

    Some common types of hose-end sprinklers include: Oscillating Sprinklers: These spray water back and forth in a rectangular or square pattern. They are good for covering large, flat areas evenly. Impact (or Pulsating) Sprinklers: These create a rotating, pulsating spray, which can cover a circular or semi-circular area.