???? ??????? ??????? essential ????? operation projects ??? ????? long. Defines ??? ????????? ?????????? ??? ??? ???? ????? upkeep equipment, including programs official. Contributes ??? ????????? ?? limiting conflicts ??? sides and clarifying responsibilities ?? party ?????? ?? guaranteeing quality undertakings ??????? ????? ???? ????? ???

????? ?????? ???????? ?? ???? ??????? ???????? ???????. ????? ??? ??????? ?????? ????? ???? ??? ??? ?????? ? ????? ?????????. ????? ???? ??? ???? ??????? ?? ??????? ????? ?????? ??? ??????? ?????? ?????? ??????? ?????? ?? ???????? ?? ???? ??? ??????. ???? ????? ????? ?? ???????? ???? ????? ???????? ?? ???? ????? ????? ? ?????? . ???? ???