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  2. Bug zapper - Wikipedia

    en.wikipedia.org/wiki/Bug_zapper

    Early model prototype fly zapper circa 1911, conceded to be too expensive to be practical. In its October 1911 issue, Popular Mechanics magazine had a piece showing a model "fly trap" that used all the elements of a modern bug zapper, including electric light and electrified grid. The design was implemented by two unnamed Denver men and was ...

  3. Fly-killing device - Wikipedia

    en.wikipedia.org/wiki/Fly-killing_device

    An electric flyswatter (sometimes called mosquito bat, racket zapper, [22] or zap racket) is a battery-powered, handheld bug zapper that resembles a tennis racket invented by Tsao-i Shih in 1996. [23] The handle contains a battery-powered high-voltage generator.

  4. The Gootop Electric Bug Zapper Is a Backyard Game ... - AOL

    www.aol.com/lifestyle/gootop-electric-bug-zapper...

    PureWow editors select every item that appears on this page, and the company may earn compensation through affiliate links within the story. You can learn more about that process here. Yahoo Inc ...

  5. Leaf blower - Wikipedia

    en.wikipedia.org/wiki/Leaf_blower

    A leaf blower, commonly known as a blower, is a device that propels air out of a nozzle to move debris such as leaves and grass cuttings. Leaf blowers are powered by electric or gasoline motors . Gasoline models have traditionally been two-stroke engines , but four-stroke engines were recently introduced to partially address air pollution concerns.

  6. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    Smaller fans are often powered by shaded pole AC motors, or brushed or brushless DC motors. AC-powered fans usually use mains voltage, while DC-powered fans typically use low voltage, typically 24V, 12V, or 5 V. The fan is often connected to machines with a rotating part rather than being powered separately.

  7. Sterile insect technique - Wikipedia

    en.wikipedia.org/wiki/Sterile_insect_technique

    The sterile insect technique (SIT) [1] [2] is a method of biological insect control, whereby overwhelming numbers of sterile insects are released into the wild. The released insects are preferably male , as this is more cost-effective and the females may in some situations cause damage by laying eggs in the crop, or, in the case of mosquitoes ...