Ключевые слова: airfield, airplane, airport, apron, asphalt, boarding, business, cargo, check, commercial, container, conveyor, day, elevated, engine, freight, horizontal, industry, land, large, loading, luggage, number, outdoors, over, parking, people, person, runway, safety, security, service, shipping, stationary, tourism, transport, transportation, travel, vehicle, walkway, wing,