... etc) 4.Garden (artificial lakes, ponds, the lining of tank in golf course,slope protection, etc) 5.petrochemical (chemical ... plants, oil refineries, oil tank of fillstations, chemical reactions pond, the lining of settling basin ... of tailing pond, etc) 7.Agriculture (reservoirs, drinking water tank, water storage pond,irrigation systems) 8.Aquaculture (fish ponds, ...