02:10 0
indoor air pollution
02:10
02:10 0
02:28 0
02:28 0
01:17 1
04:49 0
01:58 0
03:26 0
02:26 0
01:23 0
02:26 1
01:52 2
03:34 1
07:19 1
02:13 2
00:26 0
05:18 0
03:49 0
03:43 0
06:04 1
02:10 02:10 02:28 02:28 01:17 04:49 01:58 03:26 02:26 01:23 02:26 01:52 03:34 07:19 02:13 00:26 05:18 03:49 03:43 06:04