Ключевые слова: african, afro, airplane, american, check, checkout, client, code, connection, control, conversation, crowd, cyberspace, digitally, display, document, efficiency, electronic, fast, flight, fly, flying, human, identification, identity, immigration, information, international, japan, japanese, journey, key, lady, lighting, lounge, machine, machinery, online, pass, passenger, plane, schedule, screen, security, self, service, ticket, transport, transportation, trip,