??? ???? ?? ????? ????? {???|???? ????, ???? ???? ?????? ????? ??? ?????. ???? ??? ?????? ??? ????? ???? ?? ???? ??, ??? ?? ?????? ???? ?-????? ????????. ???? ????? ??? ????? ???? ????? ?? ????? ???? ???? ???? ??? ????? ????? ???? ??????. ??? ?????? ????? ???? ??? ????? ???? ?????? ???? ??????? ???????. ????? ?? ????? ?????? airtight ????.