??????? ????? ???? ??? ???????? ?????????? ???? ????? ???? ?????? 4 ????? ?? ??????. ????? ??????? ???? ???? ??? ????? ????? ????? ???? ???? ????? ??? ???? ?? ????? ?????? ??? ???? ??? ????? ??????? ??????? ????? ??? ??????? ????? ????? ???????? ???? ????? ????? ??????? ???? 4 ????? ?? ????? ????? ??? ??? ??????? 2.5 ??? ??????.
???????? ?????? ?? ?????? ??? ?????? ???? ????? ????? ?????? ?????? ??????? ?? ????? ??????? ??????? ????? ?????? ?????? ???? ??????? ??? ????? ?????? ???????? ??????? ??? ????? 10 ????? ????? (????? ?????? ???? ???? ????? 7 ????? ???????? ?????? ???????? ?? ???) ??????? ?????????? ??? ????? ????????? ??? ???? ?? ????.