... on.2, treatment of industrial and civil construction of the roof, basement, wall plaster mortar. 3, roads, bridges, ... concrete pouring. 5, the production of concrete parts, pipe, sheet. 6, tunnels, mines, culverts, such as sprayed concrete slope ... asbestos, the production of asbestos cement products. 9, making light wall, GRC board, insulation board and other building materials Polyvinyl alcohol fiber ...