Определение марки стали по цвету и форме искры (стружки)
Показан цвет и форма искры различных марок сталей и титановых сплавов.
2 months ago 00:06:17 1
2 months ago 00:02:26 1
2 months ago 00:11:25 1
2 months ago 00:10:41 1
2 months ago 01:01:59 1
2 months ago 00:01:09 1
2 months ago 00:02:48 1
2 months ago 00:46:45 1
2 months ago 01:17:12 1
2 months ago 00:19:06 1
2 months ago 01:07:02 2
2 months ago 00:08:40 1
2 months ago 00:04:24 1
2 months ago 00:02:09 1
2 months ago 00:04:15 1
2 months ago 00:07:05 1
2 months ago 00:06:25 1
2 months ago 00:24:22 1
2 months ago 00:05:07 1
2 months ago 00:06:29 1
2 months ago 00:33:09 1
2 months ago 00:44:54 1
2 months ago 02:24:51 1
2 months ago 00:30:20 1
