???? ???? ???? ????? ?? ???????? ?? ???? ???? ?????? . ???? ???? ?????? ??????? ?? ????? ??????? ?????? ???????? . ???? ?????? ????? ????? ??? ???? ????? ??????? ?? ???? ????? ???? ????????. ???? ???? ????? ???? ???Highly skilled ?? ???? ?????? ? ???? ????????. ??? ?? ?????? ???? ????? ??????? ?? ???? ??????? ??????? . ????? ?????: ????? ?? ???? ?