The file which without attaching the fold, can carry drawing or the photograph or the document etc at half size.

摘要

Topic The occasion where size when carrying the drawing or the document or the photograph etc which it carries is made small to a half size of the bending and original size, the file where the fold is not attached to the bending part is offered.SolutionsThe guide where on the part median of the back of the file the inside of semicircle condition becomes air is installed, through drawing or the document or the photograph etc pass to the hollow part. Choice figure Drawing 1