... 1.Environmental protection, sanitation (such as landfill, waste water treatment, toxic and harmful chemicals disposal sites, storageof ... construction and demolition waste, etc.) 2.Water (such as impervious, stop water loss, and reinforcing of lakes, and the ... of tailing pond, etc) 7.Agriculture (reservoirs, drinking water tank, water storage pond,irrigation systems) 8.Aquaculture (fish ponds, the ...