полигональное точение на ЧПУ .mp4
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![[Береста] Об истории обработки камня и каменной кладки](https://sun9-5.userapi.com/impg/3DpizqKuOybkfUf9raZsehso8S9XMeys3zQFkw/SAyU5RDS8bc.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=5dd13d576890f9c93bfe2c47fe936b97&c_uniq_tag=VGKG0chiODIgaK4xJJbJpFwF6cyyv6NWbhE2o0yTnaU&type=video_thumb)
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