A hand truck like frame has a pair of wheels, each of which is coated with an electrically conductive material so that in a selected operating mode the wheels define electrodes. The server includes a user authentication logic to authenticate users attempting to connect to the server to access URL file and directories residing in the server. The transit information for at least some users is compared. The stimuli generator providing, responsive to control signals from the computer, first stimuli, the first stimuli being a different one of the touch, auditory, and visual. A portion of each via is filled with solder to form solder structure surrounding an exterior surface of each metallic structure.