Соляная кислота. Травим цинком.
В этом видео. Делаем паяльную кислоту сами. Травим цинком. Где взять цинк тут
2 years ago 00:16:29 3
8 years ago 00:11:38 2
7 years ago 00:00:57 20
12 years ago 00:02:28 675
10 years ago 00:02:22 11.4K
5 years ago 00:01:05 29
10 years ago 00:05:05 118
7 months ago 00:03:25 1
9 years ago 00:32:10 628
12 years ago 00:03:02 12
5 years ago 00:03:22 1
7 years ago 00:13:44 221
14 years ago 00:00:53 37
13 years ago 00:01:49 40
7 years ago 00:07:44 7
6 months ago 00:26:01 1
3 years ago 00:31:50 1
4 years ago 00:02:56 1
5 years ago 00:06:14 1
8 years ago 00:19:27 1
2 years ago 00:10:31 1
8 years ago 00:29:44 5
1 year ago 00:10:32 20
2 years ago 00:02:44 1.3K
