1, walls and wall tops should be used color steel plate, rock wool and other flame retardant materials should be used as the color steel plate of the inner insulation material.
2, epoxy resin, terrazzo can be used for floor. pvc and other materials construction.
3, should be in the ceiling, walls, floors, wall columns and cleaning area between each step of the staircase to make R>5cm rounded corners, to prevent the accumulation of dust, easy to clean.