types of welding rods pipeline welders use

2:05

5:21

2:06

2:05

10:20

24:30

3:34

3:01

15:15

14:28

2:20

4:03

8:23

9:31

4:06

کوتاه

5:10

4:06

3:37

2:39

11:09

28:17

2:17

8:26

8:26

18:52

5:49

3:03

5:57

7:31

1:10

3:24

2:07

24:40

2:15

1:40

4:14

7:52

1:37

11:56