Ключевые слова: arrow, building, color, danger, direction, directional, door, doors, doorway, equipment, escape, exit, fire, floor, frame, green, guidance, hanging, help, icon, indoors, information, instruction, interior, isolated, label, leading, light, men, moving, protection, rescue, route, run, safe, safety, security, sign, symbol, urban, urgency, wall, way, white,