??? ??? ???? ?? ?????? ??? ???????? ???? ????? ?? ????? ??????? ????????, ???? ???????? ???? ????? ???ber optic. ???? ??? ??? ????? ? ????? ???????? ?? ???? ????? ????. ?????? ??????? ?? ??? ??? ?? ??????? ??????? ??????. ????? ?????? ??? ?????? ??? ??? ????? ????. ?????? ??? ??? ??? ?? ???? ???? ????? ?????? ?? ?????? ????. ???? ??????? ??… Read More