A method and system for starting a multiple PDA OS through a menu is disclosed. A silicide film is formed on each of the gate electrode and the source-drain diffusion layer. The bottom member is up to 50% thinner than prior art bottom members made by way of an injection molding process. Printed graphic cards may be inserted between the rigid plastic holders and covers of clear, flexible cover material. One or more receivers may receive from the wall of the pipeline a received signal comprising at least one of the convoluted signal and a reflection of the convoluted signal. The nozzle is provided with discharge ports each discharging the fluid toward the first end face of the substrate.