The present invention relates to a case having a shock absorbing structure for an electronic device which includes a protective shell, a side enclosure frame, and a shock absorbing block. According to the present invention, each FGS enhancement layer is assigned a unique dependency identifier and contains only FGS enhancement information. The assembly is made up of a pair of screws having central, tapered shafts equipped with outwardly extending helical flighting ; the screws are non-parallel and are positioned so that the flighting thereof is intercalated along the length of the screws. The data fields in the orders, templates, components, subcomponents, etc.