Ключевые слова: 3d rendering, abort, authority, automatic, ban, barrier, block, blue, border, boundary, cease, close, closedown, concept, conceptual, decrease, disable, drop, end, equipment, finish, frontier, gate, limit, limitation, limiter, prevent, prohibited, prohibition, protect, red, restraint, restrict, restriction, restrictive, road, shield, sign, sky, slow down, stop, stoppage, suspend, symbolic, technical, terminate, termination, way,