Ключевые слова: alarm, arrow, background, building, ceiling, cement, clean, concept, concrete, construction, corridor, dark, direction, door, doorway, emergency, escape, evacuation, exit, fire, floor, frame, glow, green, guidance, hanging, help, icon, indoor, information, instruction, interior, light, office, out, protection, rescue, running, safe, safety, security, sign, stairway, symbol, urgency, walkway, wall, warning, way, white,