how to calculate cement sand and aggregate quantity in concrete m15

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6:39

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کوتاه

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5:15

4:36

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4:36

4:36

9:45

3:50

2:16

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4:19

5:38

3:05

5:38

4:15

13:54

2:29

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1:21

13:28

3:54

9:49

2:55

15:11

15:13

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1:44

6:17

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