※: seepage, isolation

※ use: earthwork dam, rockfill dam, the RCC and masonry dam dam; tailings dam, water dam and reservoir area are; channels, with liquid pool; field waste disposal; subway, and the basement of the tunnel, the tunnel seepage Lining; roadbed foundation and other saline control; pre-dam levels of anti-bedding, vertical impermeable layer of foundation; cofferdam construction; field waste; roads, highways, the railway roadbed; expansive soil and collapsible loess layer of waterproof; Leak-proof roof.