... mat 2.new-type seed planting material 3.prevent the soil being washed away 4.Sample are free 3D geomat for slope ... .C. Replace the concrete, asphalt, and block, using in the slope surface protection of roadway, railway, river-way, dyke, and the ... , mainly apply to slope of road, railway and river lane, dams and dikes and mountain slope2) Erosion Control Mat Can prevent land ...