?? ?????? ?????? ?? ???? ????????? ????? ???? ??????? ????? ?? ????? ??? ????????. ???? ??? ??????? ?? ???????? ????? ??????? ???? ?????. ????? ??? ??? ???? ?? ??? ???????? ????????, ?????? ??? ??? ??????. ??? ??? ???????: ????? borescope: ???? ????? ?????. ???? ???? ?????: ?????? ??? ????????