1. Geotextile * Non-woven or woven engineering fabric. * Used for soil layer separation, filtration, drainage, and protection. * Appears in the photos as white rolls and white sheets. 2. Geogrid * High-strength plastic grids (HDPE, Polyester, or PP). * Used for soil reinforcement, retaining walls, and roads. * In the photos, black rolls labeled TG3030S are shown. 3. Geocomposite * A combination of more than one material, such as: * Geotextile + Geonet * Or Geotextile + Geogrid * Used for drainage, protection, and insulation. 4. Geomembrane * HDPE insulating membrane. * Used in: * Water tanks. * Landfills. * Artificial lakes. * Treatment ponds.