????? ??????? ????? STC ?????? ??????? ?????? ???????? ?????? ????? . ???? ??? ???? ???? ????? ?????? ????? ??????? . ???? {????? ???? ????????? ???????? , ?????? ?????? ??? ???? ???????? ?? ?????? ?????? ?? ????? ?????? . ????? ?? ??????? ???????: ??????? FIBER ?? STC ??? ??????? ??????? ????? ????? ?????????? ???????????? ?????????. ???? ???