... column as in the following example. EXAMPLE: PL60A-220V-BL-F-FS-W VoltageLens ColorFlashing StatePhotocell StateBulb ColorAC110VR-RedF-flashing FS ... & TV), cranes, hoists, smokestacks, buildings, sport stadiums, light pylons, high voltage towers and any other potentially hazardous obstructions to air traffic ...