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