An exhaust silencer assembly for use with an auxiliary power unit includes an eductor and a discharge pipe. An HTML document is scanned and the information organized into groupings of HTML tags and text. The wheel segment is movable from a rolling orientation, where the outer edge of the wheel segment is aligned with an outer edge of the center wheel section such that the folding wheel takes a rolling circular shape, to a folded orientation where the wheel segment extends laterally away from the pivot axis. The method further includes allowing the third solution to gel, thereby forming a wet gel monolith.