construction of the dc motor

4:15

2:25

5:25

کوتاه

1:06:21

10:30

2:53

10:09

کوتاه

50:00

4:36

9:47

3:26

3:26

3:26

4:31

14:12

کوتاه

1:03

4:30

13:26

7:04

2:29

5:45

22:56

4:11

2:09

2:32

1:48

5:13

1:51

9:42

9:42

3:48

10:02

4:27

9:52

10:02

10:02

6:03