????? ????? ??????? ????????? ???? ??? ??????? ??? ????? ????? ????????three – I labored on Teaching trainees on the most recent scanners units and testers and prognosis and Evaluation of engine failures.??? ???? ???????? ????? ????? ????? ??? ?????? ???? ????? ?? ??????? ???????? ??????? ??????.??? ??? ???? ?? ?????? ??? ???? ????? ???????? ?