Geosynthetics are polymeric products used to solve civil engineering problems. They include woven geotextiles, nonwoven geotextiles, knitted geotextiles, geogrids, geonets, geomembranes, and more. Geosynthetics have applications in road construction, hydraulic works, port construction, coastal defenses, slope protection, waste disposal sites, retaining walls, reinforced soil works, drainage, and more. Specifications and test standards ensure geosynthetics meet requirements for applications like filtration, separation, reinforcement, drainage, and containment.