A portable computing device includes a base and a display rotatably connected to the base. The molded sheet further comprises a large radius corner and a slick surface edge. The method of assembling the struts by mounting first and second pluralities of struts, each plurality in a common plane, between the hub and the turbine exhaust case, with the second plurality of struts longitudinally offset from the first plurality of struts. Also disclosed are cleaning implements comprising a handle and the described cleaning sheets.