... boiler in fire power company, gangue, gypsum, alums, and such like.Reversible Hammer Coal crusher Technical DataTypeRotor Size (Mm)Feed ... concept is fully adaptable to all mobile crushing needs; it sets up a new range of business opportunities for contractors, ... fragile materials which are moderately hard and have weak corrosivity, such as gangue, coal, salt, chalk, gypsum, tile, limestone, coke, red ...