An adjusting structure for adjusting amount of lubricant applied to a linear guideway comprises a self-lubricating oil tank, a positioning board and at least one adjusting board. There is no adhesive substance employed between the intermeshing edges of the two core panels. The heat moldable material may be sufficiently flexible so as not to impede the necessary movements of a wearer or the athletic shoe while performing activities, such as running, walking, jumping, etc. In this manner, a pour spout is formed, that assists in pouring material from the bag. A plurality of quantum dots are formed at the active layer. Further, the printing apparatus includes a control unit that inputs in a distributed manner the data for a print subject corresponding to a single printing job to plural data processing sections with the plural data processing sections executing in parallel the generating process for assigned parts of the data for a print subject.