combustion and flame true or false

6:52:06

12:26

3:43

45:07

1:02:13

1:55:49

7:54

2:29:12

57:16

2:21:07

20:24

4:52

1:30:42

1:14:00

19:16

1:07:49

37:05

50:12

9:40

2:22

16:49

11:48

5:25

12:31

19:27

3:02

46:08

21:33

10:16

4:58

55:16

17:05

16:16

1:09

1:02:03

1:41

2:14

53:13

9:47

12:10

00:45

34:22

26:07

6:32

22:49

32:22

16:11

4:17

22:15

1:23

4:52

12:26

12:11

2:16:50

00:18

8:05

2:59

9:30

29:00

46:25