metallurgy class 12

48:19

1:37:13

1:31:46

11:31

1:59:14

1:16:21

38:06

46:02

1:01:24

1:21:30

55:38

3:01:46

11:49

2:12:03

1:08:42

6:03:17

5:13:32

24:26

1:27:50

43:37

42:46

1:34:18

1:00:51

20:00

1:44:03

1:04:17

9:01

20:24

1:19:39

1:19:55

9:09

2:43:30

1:41:20

3:13:51

20:40

1:28:15

1:07:35

1:05:22

15:49

37:35

11:57

1:16:41

3:32

1:29:12

4:57:26

33:02

1:42:01

1:25:17

1:15:09

4:34:59

2:14:17

1:06:14

4:43

1:38:44

1:44:57

1:03:01

2:22

28:42

1:05:05

8:04