Ключевые слова: airline, airport, alphabet, analog, arrival, automatic, board, business, chart, counting, departure, destination, device, dial, direction, display, equipment, flap, flight, font, indicator, info, information, letter, list, mechanical, mechanism, monitor, object, outdated, panel, passenger, result, schedule, scoreboard, sign, split, terminal, ticket, time, timetable, tourism, transportation, travel, trip, type, vacation, voyage, x,