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17:59 Основной органически... 15,933 views 0 0 Details by Administrator 13 years ago in Органика
5:03 Каталитическое окисл... 15,738 views 0 0 Details by Administrator 13 years ago in Органика
4:57 Каталитический креки... 14,320 views 0 0 Details by Administrator 13 years ago in Органика
14:38 Важнейшие продукты н... 15,399 views 0 0 Details by Administrator 13 years ago in Органика
17:46 Цемент 14,920 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:19 Фосфор 10,606 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:48 Углерод 15,161 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:42 Стекло 15,772 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:31 Сера 16,380 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:06 Сера в природе 10,018 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:34 Производство цемента 14,485 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:08 Получение Азота, Амм... 10,400 views 0 0 Details by Administrator 13 years ago in Неметаллы
10:11 Окись углерода 16,338 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:58 Кремний 15,112 views 0 0 Details by Administrator 13 years ago in Неметаллы
4:14 Керамика 14,146 views 0 0 Details by Administrator 13 years ago in Неметаллы
19:11 Известь, её производ... 14,382 views 0 0 Details by Administrator 13 years ago in Неметаллы
9:52 Двуокись углерода 15,750 views 0 0 Details by Administrator 13 years ago in Неметаллы
17:41 Воздух 10,125 views 0 0 Details by Administrator 13 years ago in Неметаллы
18:48 Водород 10,441 views 0 0 Details by Administrator 13 years ago in Неметаллы
16:36 Вода 9,609 views 0 0 Details by Administrator 13 years ago in Неметаллы