no nitric acid stone gold recovery

6:59

27:12

27:12

4:33

9:50

19:24

17:05

10:04

18:10

4:11

10:55

کوتاه

10:54

3:28

4:39

1:56

2:48

2:09

15:12

2:31

1:31

3:36

3:50

5:31

کوتاه

2:08

7:04

5:28

1:36:26

2:23

6:21

21:17

3:54

12:25

42:56

4:11

1:27

10:40

2:50

کوتاه