Ключевые слова: access, alert, barrier, black, boundary, caution, control, danger, entrance, fence, fence post, gate, gate entrance, guard, iron, keep quiet, legal, lock, metal, no trespassing, noise control, outdoor, ownership, peaceful, prevent, privacy, private, private land, property, protection, protection sign, quiet, quiet area, residential, restricted, rule, safety, safety sign, safety warning, security, security measure, sign, signage, silence, unauthorized, warning, zone,