a drainage structure and a method of construction for strengthening broken soil and apparatus used for the formation of the channel.the invention provides a package having a main part and a part for a lot of drainage and rectangular.the invention provides a drainage structure, and found a method of construction in which a beam of uniform strength is drained.it also provides a system for the package without the polygonal bury twist.the practice and mechanism for installation in the ground and deep channel at right angles forming defective without bending guide.thus, the method and the apparatus for the formation of the drainage canal is a rapid and profound dechargoir and active.
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