Graphic screen names are used instead of using text screen names in a Web chat room or an instant messaging system so that screen scrapers cannot generate an e-mail list for spam by extracting the screen names from the Web chat room or instant messaging system. In an implementation, winning of a player is decided for a lottery ticket the moment the player purchases the lottery ticket. A first pulley cable is positioned about the first pulley for movement relative thereto and a second pulley cable is positioned about the second for movement relative thereto. Pixel electrodes each electrically connected to one electrode of the first to third capacitor elements, and the first to third capacitor wirings, respectively, are provided to the first to third sub-pixels electrodes, respectively. The flush ports and tubing permit air to flow into the air flow sensors, which allows the plurality of air flow sensors to measure speed and direction of cross-wind components of air flow surrounding the rotary aircraft.