Ключевые слова: access, accident, arm, automatic, automatic barrier, background, balance, bar, barrier, boundary, broken, broken barrier, building, business, camera, car, card, city, close, control, design, electric, entrance, entry, equipment, exit, facility, garage, gate, georgia, guard, handle, home, lot, outdoor, park, red, road, security, sign, station, stop, street, system, tape, traffic, train, warning, white, yellow,