speed control of motor

2:30

3:46

14:36

2:37

3:51

14:36

کوتاه

3:22

2:16

3:48

15:07

15:07

3:39

4:27

39:19

1:24

7:49

5:00

12:24

کوتاه

3:41

2:29

5:09

3:38

2:38

2:34

4:04

1:44

10:02

1:56

3:41

4:37

کوتاه

9:23

10:23

1:33

19:23

3:17

4:41

6:04