Cистема пожарной сигнализации и тушение!
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![⚫️🔴🔵 Обучение по охране труда с нуля [Выпуск №1]](https://sun9-75.userapi.com/impg/ip6jtEY7mAVsf4MX1OuPsLErnnO8SYddL0oFnQ/BxxQ1y5Iy0Q.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=c3f4e1ad326aa5e003849ec7ee5005cb&c_uniq_tag=ksUXDAlh0liucbZ7qjzYOq2TOSEc51N4474CKRHO7q4&type=video_thumb)
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