5.1 лекция
5.1 Технология работы с шамотными массами.
Знакомство с аналогами российского и зарубежного опыта. Особенности обжига шамота
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![Большое депрессивное расстройство [Роберт Сапольски, лекция, озвучка]](https://sun9-39.userapi.com/K2uEQYd9up7Zk0jDHZYlfhkAWixOsn4BE4-Vxw/v5HRXut-RIE.jpg)
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