A method for mixing short staple and down cluster by a dry processing utilizes an air tool to blow the short staple over, so that the scattered short staple is mixed in the down cluster. The cage conformably engages between the endplates of adjacent vertebrae to effectively distract the disc space, widen neuroforamina, stabilize the motion segments and eliminate pathologic spine motion. A first side seal extends from the top end to the bottom end, and a second side seal extends from the top end to the bottom end. The MAC sublayer provides interrupts for WAN learning and circuit setup. The invention also relates to the construction of a chimeric gene encoding all or a portion of the enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the enzyme in a transformed host cell.