One of the purposes of the invention is to correct the above shortcomings and propose a more simple, faster and restrictive engineering without the above ground motion operation than the previous art. The invention realizes its goal, because the front end is in the form of parallel vertical longitudinal extending dented walls, each of which has a diagonal line related to the first soil, and the second soil has an outer edge. Ground,In addition, the barricade has a back door connected to the front and multiple wall elements, with the largest face extending vertically to the second soil, Place each item between the two adjacent walls and cross the previous one.
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