Урок по электробезопасности в гимназии 44 г. Сочи
Урок по электробезопасности в гимназии 44 г. Сочи (декабрь 2010 г). Ученики читали доклады. Представители электросетей проводили презентацию.
7 months ago 00:09:52 1
7 months ago 00:12:51 1
7 months ago 00:26:33 1
7 months ago 00:12:31 1
7 months ago 00:35:09 1
7 months ago 00:39:36 1
7 months ago 00:06:15 1
7 months ago 00:05:56 1
7 months ago 00:16:27 1
7 months ago 00:06:24 1
7 months ago 00:01:56 1
7 months ago 00:36:11 1
7 months ago 00:19:31 1
7 months ago 00:09:40 1
7 months ago 00:00:45 1
7 months ago 00:34:01 1
7 months ago 01:40:34 1
7 months ago 00:06:01 1
7 months ago 01:33:15 1
7 months ago 00:04:45 1
7 months ago 00:56:05 1
7 months ago 00:03:56 1
7 months ago 00:09:13 1
7 months ago 00:17:13 1
