how to connect a changeover switch

7:29

4:47

3:09

3:53

3:53

3:53

3:44

1:55

2:13

13:32

1:47

3:44

13:32

6:28

23:29

3:44

3:44

2:22

6:26

4:03

2:51

8:47

17:19

6:55

2:32

2:44

3:50

14:53

کوتاه

1:30

7:28

1:19

1:50

5:39

18:05

9:11

3:34

3:34

18:38

3:02