Владимир Самофалов: В руде месторождения Ломоносова присутствует сапонит. Чем полезно ископаемое?
8 months ago 00:03:18 1
1 year ago 00:01:09 40
2 years ago 00:02:24 1
2 years ago 00:02:52 1
2 years ago 00:07:01 1
2 years ago 00:42:48 2
2 years ago 00:00:47 1
2 years ago 00:01:09 2
3 years ago 00:08:51 1
3 years ago 00:05:01 11
3 years ago 00:07:16 11
3 years ago 00:09:58 14
3 years ago 00:04:12 11
3 years ago 00:12:45 10
3 years ago 00:03:56 16
4 years ago 00:03:13 39
4 years ago 00:13:50 22
4 years ago 00:14:08 15
5 years ago 00:03:14 45
10 years ago 00:02:49 4
