???? Conventions ??????? essential ????? functioning projects ??? ????? ??????. Defines ??? ????????? ?????????? ??? ??? ???? relates to upkeep machinery, including schedules official. Aids ??? ????????? ?? limiting disputes ??? sides and clarifying responsibilities ?? ??? Helps ?? guaranteeing performance ???????? ??????? ????? ???? ?????

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