Исследование качества воздуха
Воздух внутри помещения в 4 раза хуже чем снаружи. а после уборки пылесосом становится хуже в 17 раз!
7 years ago 00:00:31 24
2 years ago 00:02:42 1
10 months ago 00:02:02 3
2 years ago 00:06:27 28
4 years ago 00:23:42 1
2 years ago 00:10:09 1
5 years ago 00:22:12 1
4 years ago 01:06:50 10
9 years ago 00:14:15 2
5 years ago 00:04:30 13
5 years ago 00:37:28 116
11 years ago 00:02:03 519
9 years ago 00:25:19 1
2 years ago 00:03:30 13
4 months ago 00:17:17 1
5 years ago 01:54:18 7
4 years ago 00:04:07 8
3 years ago 00:03:03 24
7 years ago 00:03:07 25
4 years ago 00:47:05 90
9 years ago 00:14:15 13
6 months ago 00:10:42 1
7 years ago 00:02:07 47
7 years ago 00:31:47 1
