6
7:57
fluorescent lighting
6
7:57
9
40:58
9
9:58
7
7:12
8
27:27
9
30:14
8
6:42
9
10:34
7
4:50
6
6:31
8
3:47
10
19:32
7
7:30
8
3:47
8
14:02
8
16:03
8
22:31
8
11:39
12
12:03
9
15:57
23
25:59
12
16:58
8
2:20
7
1:03:42
8
6:27
9
16:11
14
14:02
9
4:58
9
7:25
7
13:30
10
1:19
11
3:55
9
32:23
7
9:31
8
3:22
6
16:18
9
1:02
9
3:34
8
2:42
7
7:45
17
12:24
8
3:44
11
9:15
6
8:35
7
16:35
10
32:18
8
13:50
9
2:38
7
2:38
8
19:50