A system receives from a client a job comprising confidential information. Specifically, charges for platoon travel of surrounding vehicles is calculated based on input charge calculation conditions and the calculated charges are output by matching the conditions with images of surrounding vehicles. In a preferred embodiment, a collection management system resides on a consumer electronic device, or a personal or home computer, and the collection includes recordings that are stored on one or more hard drives associated with the CE device or the PC. A multiplexer selects either the N-bit digital signal from the AD converter, or the N-bit logic signals from the N latch circuits, and the selected signal at the output of the multiplexer is stored in an acquisition memory. The cooling fluid is supplied to the jets with a pressure p of p5 bars.