Ключевые слова: background, black, caution, closeup, concept, danger, direction, entry, equipment, fence, gate, green, illustration, information, keep, message, metal, nature, no, notice, object, outdoor, outdoors, outside, private, property, protective, red, restricted, restriction, road, safe, safety, sign, signage, stop, street, symbol, text, travel, trespassing, wall, warn, way, white, wire, wooden,