Foils of plastic for roof waterproofing; geosynthetic barriers in the nature of geomembranes, geotextile composites, clay liners and field-impregnated geotextiles for use in waterproofing, for lining landfills, road construction, storing solid and liquid waste, guiding water and soil movement for reservoirs, dams, canals and tunnels, mechanically stabilizing earth structures, and erosion control; geotextiles, geogrids, namely, geofabrics, geomats and geotextile nettings for the purpose of dra...