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how to improve drai work
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instructions :
1) dig a trench
2) spread gravels. the trench must be longer enough for the pipe to lie below
3)place the pipie after making the gravel smooth
4) cover, seal and prtect the pipe
5) fill the surface level
6) camoflage outlet
1) dig a trench
2) spread gravels. the trench must be longer enough for the pipe to lie below
3)place the pipie after making the gravel smooth
4) cover, seal and prtect the pipe
5) fill the surface level
6) camoflage outlet
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