... \ res \ dam seepage, plugging, reinforcement, drainage seepage, vertical heart wall, slope protection, etc.) 3, Municipal Engineering ( ... (chemical plants, refineries, oil storage tank seepage anti-fouling, chemical reaction tank and sedimentation tank linings, secondary lining) 6, ... )8, agriculture (reservoirs, drinking water, pools, water storage pond, irrigation system, seepage) 9, aquaculture (fish ...