A conveyor belt with advertising is fabricated by coating at least one flexible belting member with a vinyl size coating. The small side dump body may be pivoted to either the first side of the trailer or to the second side of the trailer. Electromotive force obtained from the Seebeck element module is used to drive selected components of the notebook PC. The elements are disposed in the bottoms of the recesses with the conductive adhesive applied thereto, to fix the elements to the support and electrically connect their second semiconductor layers to the support.