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A high-voltage power supply powered by wall power is used, which may be a simple transformerless voltage multiplier circuit made with diodes and capacitors which can generate a voltage of 2 kilovolts or more. This is high enough to conduct through the body of an insect which bridges the two grids, but not high enough to spark across the air gap.
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.
Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.
Indoor residual spraying or IRS is the process of spraying the inside of dwellings with an insecticide to kill mosquitoes that spread malaria. A dilute solution of insecticide is sprayed on the inside walls of certain types of dwellings—those with walls made from porous materials such as mud or wood but not plaster as in city dwellings.
The trees also bear large ovate leaves which can be crushed and wiped on your skin as a useful insect repellent. The leaves are at their best in the spring and early summer, when their strong ...
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