Создание из графита алмаза, самодельный сварочные водород + кислород + 50 000 вольт #сварка #алмазы
2 weeks ago 01:05:49 1
2 weeks ago 00:15:48 1
2 weeks ago 00:41:44 1
3 weeks ago 00:18:59 15
3 weeks ago 00:14:45 2
3 weeks ago 00:55:46 1
3 weeks ago 00:49:19 1
3 weeks ago 00:16:45 1
3 weeks ago 00:20:21 1
4 weeks ago 00:59:54 2
4 weeks ago 04:04:41 1
4 weeks ago 00:33:14 6
4 weeks ago 01:15:51 19
1 month ago 00:18:22 2
1 month ago 00:23:27 1
1 month ago 00:19:34 2
1 month ago 00:02:46 1
1 month ago 01:02:56 1
1 month ago 00:06:50 1
1 month ago 00:00:59 1
1 month ago 00:06:49 1
1 month ago 00:06:30 1
1 month ago 00:08:03 1
1 month ago 00:14:55 1
