The invention includes methods of cleaning an oral surface, maintaining oral health andor increasing oral health. The mobile system includes heating units, generators, fuel containers, vaporizers, and a control system in one pre-assembled mobile platform that enables thermal remediation of pests in a structure to be effectively carried out in a reduced amount of time and for a reduced amount of cost. A trace buffer sequentially holding the power supply current values being selected by the selection unit together with execution information of the processor, and sequentially outputting the held information. The methods and apparatus, facilitates concurrent processing of early and late Z data to avoid flushing portions of the pixel pipeline. This wireless unit could be for inventory control of products during in-flight servicing of passengers. The recesses are made in the second surface, arranged in the first direction and extend in the second direction.