A method for a wireless access point for operating WLAN cards in a power-saving mode in a wireless communication system. The voting stations each have a liquid crystal display that is electronically configurable to present voters with ballot information. The hour-glass opening is preferably tapered to have a smallest diameter at a central portion of the main body and larger diameters at a top and a bottom of the body. During transportation and storage, the assistant rods can lean against two sides of the main rod, so that occupied space is reduced to achieve usability. The representative quantities are representative of a deformation of the image of the test chart produced in reflection by the outer surface of the glazing. A request can be received from the client device for the video content at a first bitrate andor resolution, segments of the video content are generated at the first bitrate andor resolution responsive to the request from the client device, and the segments of the video content are communicated to the client device.