3? 28?, B-2?????(?)? ?? ??? ??? ???????? ???? ????? ????. ?? ??? 28? ??? ???? ??? ??? ??? B-2?????? ?? ??? ???? ??????? ??? ???. ?? ??? ?? ?????? ???????? “???”? ?????. ??? ??? ?? ??? ???? ???? ???? ??B-2?????? ???? ?????? ????? ??????(???/??????).