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?????? ????????? ?????????????? ????, ????? ????????????????, ??????????? ????????? ??????????????? ?????? ????????????, ??? ???????? HRC60 ????? ??????, ????? ?????????? ??????????? ??????????, ????? ?????? ??????? ???????????????? 3-5 ????? ??????; ???????? ?????????? ???????? ????????, ???????????? ??????????????? ????? ???????????? ?????????? ???????? ????????, ?????????????????, ??????????? ????? ????????? ?????????? ?????? ?????????????? ????????? ????????????? ?????? ?????? ??????? ???????? HRC58-HRC62 ????? ??????????; ?????? ????????, ?????????? ?????? ??????? ???????? ??????? ???????? ≤ HRC32 ?????, ????? ????? ???????? ????? ???? ???????? 5g ???? ????????????? ?????????????????? (????? ?????) ???????? ????????? ??????????? ?????????????????. ??????.

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