quantity of cement

4:10

6:58

14:04

14:30

13:42

7:28

8:09

8:51

7:43

9:02

8:27

5:16

8:48

6:14

7:39

7:10

15:27

8:04

8:20

9:14

3:56

9:31

11:15

4:42

9:04

5:55

3:29

10:04

1:29

10:19

10:46

2:38

2:35

2:07

9:38

4:45

28:34

4:01

11:05

12:05

5:37

6:11

12:08

15:32

4:23

3:04

4:29

8:14

3:34

20:46

8:04

9:37

6:14

6:13

8:55

6:28

5:44

8:53

4:32

6:08