An adjustable support structure for a panel computer includes: a cradle having a slide slot at a middle section, at least two fastening slots placed at a bottom surface of the slide slot, and at least two pairs of positioning holes separately corresponding to the fastening slots are placed on two side walls of the slide slot. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. Likewise, fin assemblies also remain intact and are mounted in a conventional manner to the tagged ordinance. The second wire assembly includes a first shield conductor member at least partially shielding a second wire set.