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