????? ????? ??? ????? ????? ??. ??? ??????? ????? ??? ????? ????? ??????????? ????-???????????? ?????-????? ????? ???????????? ??? ??????? ????? ????. ?? ??????? ???????? ??? ????-?????? ??? ???? ???? ??? ????????? ??? ?????????, ????? ????????? ????????? ??? ????-???? ????????? 2.0 ???? ?????? ??? 30% -40% ??? ??? ???? ???????? ?????????? ???? ???????? ????????? ?????????? ?????? ????.

?????? ???????? ??????????? ???? ????, ?????? ????? ???, ???????? ??????? ?????????? ?????? ??????? ???, ?????? ?????? ?????? 60 ?????? ????? ???, ????? ??????????? ????????????? ??????? ???, ??????? ??????????????? 3-5 ?? ????? ???; - ???????? ??????? ???????? ?????????, ?????????? ??? ??? ??? ????????????? ????????? ???? ??? ????, ?????????????????, ????????? ??? ????????? ????????? ??????? ????????????? ????????? ???? ???? ???????? ??? ?????????? ?????? HRC58-HRC62 ?????? ???????; ??? ?????, ???????? ??????? ??????????? ???-????????? ??????? ?????? ≤ HRC32 ???; ???? ???? ??????????? ?????? ????? ??? ???????? ????? (???????? ??) ???? ???? ?????? ?????? 5g ???? ?? ?????????? ????????? ???? ????, ?????????? ???? ???????? ????????? ????. ??????