A design structure embodied in a machine readable storage medium for designing, manufacturing, andor testing a design for forwarding store data to loads in a pipelined processor is provided. The insert may be generally longitudinal having a helical configuration that may be expanded and constricted for taking up different volumes of space within the container respective of the amount of material stored therein. The intentionally created unique random crack patterns can be created by cost effective and highly scalable standardized processes. More specifically, as viewed from the top, the mirror changes a path of the light from the light source unit by approximately 90 degrees. As a result, resistance to moisture absorbed in a circuit formation region can be improved, and deterioration in reliability can be prevented.