Ключевые слова: accident, aerial, broken, crash, dangerous, derail, derailed, derailment, disaster, drone, electric, emergency, equipment, fall, fatal, fault, multiple, outdoors, outside, passenger, rail, railroad, rails, railway, road, rollover, route, safety, speed, station, stock, top, track, tracks, train, transit, transport, transportation, traveling, uav, unit, view, wagon, wreck,