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