1. Preparing pvc pipe and ground
2. fixing pvc pipe
3. fixing outer black polithene cover
5.Turn the free edge of the polithene
6. filling- 1st step by sand up to 6 inch
7. step2- filling by the small bricks peaces
8. step 3. fiiing by the culvation media up to the top end
11. step 5. final product
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