Ключевые слова: air, airport, area, boarding, border, card, check, control, defense, departure, emigration, entry, exit, flight, frontier, gate, german, guard, id, identer, identification, identity, identor, immigration, inspection, inspections, journey, journeys, leave, pass, passenger, passport, patrol, police, protection, punch, safety, seal, stamp, tourist, trip, visa, voyage, voyager, voyages, zone,