?? ???????? ?? ?????? ?? ?????? ?????? ???? ????? ??????? ??? ?????? ????? ?????????. ????? ??? ?????? ???? ????? ????????? ??? ???????? ???? ???????? ???????? ??????. ????? ????? ???????? ??????? ???????? ???? ????? ????? ???????. 6 – The chance to practice the trainees to use the maintena