??? ?????? ???? ???? ???? ????? ??? ???? ????, ?? ????? ????? ?? ?????? ??? ???? ????? ??? ???? ????? ???? ???? ????. ???? relaxation} ???? ???? ???? ?????? ??????. ??????, ????? ???? ?? ???????. ??? ???? ????? ?? ?????? ??? ???? ?????. ???? ??? ????. ??? ??? ???? ??????. ???? ????? ????? ?? ???? ??? ???? ??? ???? ??????. ???????? ????,