FIELD: physics.;SUBSTANCE: proposed set comprises optical elements, their holders and computer with built-in web-camera. Holder magnetic elements serve to retain optical element or elements involved in analysis. Light source is located ahead of web-camera. Holder with optical element is fitted on case built in display screen frame. Additionally, optical element is adjusted to make its axis align with web-camera lend optical lens.;EFFECT: higher quality of training and exterminating.;4 cl, 4 dwg
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