... , drainage, anti-seepage, the good effect of moisture, width, thickness of the full range of specifications and low cost, simple construction.2. ... canal, reservoir, pond used, the water storage pond, seepage of irrigation systems) . 9) aquaculture (intensive, factory-farming ponds, ... 10Salt (salt crystallization of the pool, thatch brine pool cover, salt membrane, the salt pond plastic film straw mat). ...