A Helmholtz resonator communicates with an interior of an intake passage, which is configured to draw intake air to a combustion chamber of an engine. A snubber capacitor has one end connected to an anode of a step-up diode, a current input end of a step-up switching element and a main reactor. The holder is further formed to resist disassembly and separation with the collectable object, once it is assembled. Write data from the sequential write buffer is transferred to the magnetic disk storage device in the same order and a checkpoint index is frequently updated to indicate the completion of some transfers. The antenna elements are at least magnetically coupled with one another. Responsive to a characteristic of the call placed by the first party, a second communication service provider is selected to carry the call between the application and the second party.