ртуть в градуснике и лампе
Сравнение количества ртути в обычном градуснике и лампе. Градусник надо запрещать.
7 years ago 00:03:46 2K
11 months ago 00:02:32 1
4 years ago 00:12:48 22
8 years ago 00:04:35 41.8K
8 years ago 00:02:24 94
2 years ago 02:38:49 19
5 years ago 00:01:45 20
8 years ago 00:12:14 675
9 years ago 00:02:13 988
6 years ago 00:04:33 2K
8 years ago 00:01:32 1.6K
4 years ago 00:02:17 1
4 years ago 00:01:45 1
4 years ago 00:02:45 2
8 months ago 00:00:41 1
7 years ago 00:03:51 173
5 years ago 01:20:24 35
11 years ago 00:02:12 67
4 years ago 00:00:55 3
7 years ago 00:05:35 184
5 years ago 00:02:07 1.1K
7 years ago 00:03:40 182
7 years ago 00:03:28 161
7 years ago 00:04:41 200
