?? ???? ????????? ????????? ????? ????? ??????? ??????? ?????? ??????? ?????? ???????. ? ???? ???? STC, ?? ???? ??????? ?????? ?? ????? STC, ??? ????? ???? ??????? ?????? ???? ??? ??????? ????????? ??? ????? ?????. ???? ?????? ?????? ????? STC ????? ???? ??????? check here STC ?????? ????? ?? ????