test for pectin without pure rubbing alcohol

3:09

2:42

3:15

2:55

1:39

6:18

12:07

2:54

کوتاه

29:36

10:59

21:07

کوتاه

3:39

19:06

29:36

کوتاه

2:55

2:40

5:26

2:37

3:37

4:14

4:30

11:11

3:35

21:07

8:53

13:35

4:37

3:00

18:48

3:56

4:30

4:54

2:03:10

4:17

5:35

2:46

5:30