A method includes displaying a bookmark menu that includes a plurality of selectable elements during presentation of information associated with at least one of a product and a service at an electronic device. A mixed signal is generated as a multiplication of the digital information signal with a mixing signal at the sampling frequency fs, wherein the mixing signal corresponds to a sinusoid having a frequency fm equal to fs8. In a period in which one control signal causes the corresponding output transistor to operate in class AB mode, the other control signal places the corresponding output transistor in a cutoff state. The free ends of the arms are coupled to a wheel so that the entire transporting assembly and the cycle may be maneuvered about the floor by a single operator. The ticket also includes a plurality of final hands for the game imprinted on the ticket, wherein each of the plurality of final hands is associated with a corresponding one of the plurality of strategies, and wherein each of the plurality of final hands is normally hidden under a corresponding alterable area. In a final stage of the insertion, the female and male couplers are connected with each other with the first and second sealing rings being kept covered by the front end portions of the primary movable valve member 38 and the movable valve member 15, respectively.