???? ??????? ??????? ???? ????? operation undertakings ??? ????? long. Specifies ??? ????????? duties ??? ??? ???? ????? ????? machinery, ????????? programs formal. ?????? ??? ????????? ?? limiting ????????? ??? ??????? and clarifying ???????? ?? ??? ?????? ?? ensuring performance undertakings

??? ??????? ????? ???? ????? ?????? ???? ??? ???????? ?? ???? ????? ????? ? ?????. ?????? ??? ?????? ???? ???????? ???? ?? ????? ??????. ?????? ??? ?????? ??????? ?? ???? ????? ????? ????? ????????. ?? ??????? ?? ???? ??????? ?????? ? (????) ???? ???????? ?? ????. ?????? ????? ????? ???? ???