... bank , lake dam, mine remainings, reservior, tunnel, liquid storage pool(pit, mine) Preventing leakage in roadbed and ... loess.Preventing leakage on rooftop Geomembrane Advantages 1) Environmental protection, sanitation (such as solid waste landfills, sewage treatment ... river, reservoir, golf courses reservoirs of the substrate, slope protection, green lawn of the waterproof moisture, etc.). 5), ...