Ключевые слова: alert, arrow, background, black, brick, bright, building, building sign, concrete, corridor, danger, dark, design, direction, directional marker, door, electric, emergency, escape, evacuation, exit, fire, glowing, guidance, hall, hanging, help, icon, illuminated, information, instruction, light, lighted, mounted, neon, night, object, office, parking, red, room, route, safe, safety, security, sign, symbol, wall, warning, way,