Mass handling methods for the continuous processing of masa type dough in conjunction with commonly available feed processing equipment, such as a masa extruder, an oven, or cooling apparatus. The method for fabricating a nonvolatile memory device includes forming a charge trapping layer with a memory region and a charge blocking region on a semiconductor substrate, and trapping charges in the charge blocking region of the charge trapping layer. 45 or less as well as the total sectional area S of the steel cords applied per 50 mm width of the spiral belt layer is 7.