????? ???? ???? ????? ???????? ???? ????????? ?????? ????????? alternative cutting device ??? ???????????? ??? ??? ?? ?????? ????, ????, ????? ???, ???, ?????? ??? ???????? ??????????? ????? ????? ???????? ?? ??????? ???? ???????? ?????? ??????? ?????? ??? ????? ???? ?????? ?????? ????? ?????? ??????} ?????? ?????? ???? ??????? ???