«А ну-ка, парни!» школа 6
Михаил Стрельцов, МОУ СШ № 6, участник городского этапа соревнований «А ну-ка, парни!» посвященного ДНЮ ЗАЩИТНИКА ОТЕЧЕСТВА
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![Почти невозможно: как изобрели синий светодиод [Veritasium]](https://sun9-21.userapi.com/c8DBu1hdyPy19d9MJAk66_8RY_VuUFMGtfcUtQ/JTGM1WRS4s0.jpg)
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