САМОСПАСАТЕЛИ ШАНС
Самоспасатели, применяемые при пожаре. Фильтрующие и изолирующие. Их эффективность и ограничения. Обзор (1 часть)
2 weeks ago 00:00:09 456
2 weeks ago 00:01:05 3.2K
3 weeks ago 00:01:08 3K
1 month ago 00:01:26 4.3K
2 months ago 00:01:32 41
2 months ago 00:02:01 1.2K
3 months ago 00:06:23 6.8K
3 months ago 00:07:54 1
4 months ago 00:02:21 146
4 months ago 00:05:15 25
4 months ago 00:05:15 3.4K
4 months ago 00:01:25 7
5 months ago 00:01:05 1.3K
5 months ago 00:02:30 136
5 months ago 00:21:54 11
5 months ago 00:04:41 15.6K
6 months ago 00:00:09 2.7K
6 months ago 00:01:41 733
6 months ago 00:02:22 1
7 months ago 00:02:02 1
7 months ago 00:01:01 1
8 months ago 00:01:05 4
8 months ago 00:27:59 279
8 months ago 00:28:00 17
