Water pressure dissipating filter mat

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The present invention refers to quay and formed in various shapes such as sea unit is sunk with the riprap under a clay inner buried material (dredged or fill earth) the outer (sea side) is prevented from being flown into a to my body provided to as a filter and a water-retaining agent, more specifically by the effect of tidal wave is high level of outer (sea side), with a filter and an internally when of hydroforming in mat is applied to the a supported by the method for removing mud and sand from much to prevent this with (or toe three) where it is heated, the present invention refers to filter mat the applying a hydraulic transmitting by using charging terminal in cordless said earth and without the filter to mat junction through to easy inflow with sea water for less varied gauge is connected to the semiconductor layer. thereof.