Ключевые слова: access, advice, allowance, allowed, area, authority, authorized, authorized personnel only, banned, black, building, circle, construction, curve, danger, debarment, disallowed, entrance, entry, exclusion, fence, floors, forbid, forbidden, gentleman, human resources, icon, interdiction, man, no, not, one person, only, pedestrian, personnel, prohibited, proscription, red, restricted, restrictive, safety, security, sign, single, site, stop single word, symbol, warning, white, worker,