Ключевые слова: access, area, attention, barrier, beware, business, caution, color, community, concept, control, direction, door, entrance, entry, fence, forbidden, gate, guard, industrial, information, message, metal, notice, noticeboard, old, outside, prevention, private, protection, red, residential, restricted, retail, road, safety, security, sign, signage, signboard, steel, suburb, text, traffic, transportation, warning, way, white, word, zone,