A microneedle array module is disclosed comprising a multiplicity of microneedles affixed to and protruding outwardly from a front surface of a substrate to form the array, each microneedle of the array having a hollow section which extends through its center to an opening in the tip thereof. Alternately, the flat sheet may be pulled away from the fitted sheet and laid against the back sofa cushions to protect them from soiling. Accordingly, order rooms can readily configure and reconfigure trading processes. , for pre-event planning, goal setting, and calibration purposes. The spools are made of resin containing a rubber in excess of 5 weight percent and reinforcing materials.