?????????
?????? ?????? ?????
?????? ?????? ?????
????? ??? ??????? ????? ???? ????????? ?????? ??? ??. ??? ? ??????? ?????? ??????? ????, ?????? ??????? ????? ??????? ????? ???????? ????????, ??????? ??? ????????? ??????? ???. ???? ???? ??? ???????? ????????, ????? ????????, ???? ???????, ???????? ?????? ???? ????????.
????? ???? ??? ????????? 3-15% ??, ?? ???? ??? ??? ?????????????? ?????-??????? ?????? ????? ??? ????.
