???? Conventions ??????? essential ????? functioning projects ??? ????? long. Defines ??? ????????? obligations ??? party ???? concerns ????? equipment, including ????? official. ?????? ??? ????????? ?? ???? disputes ??? sides ???????? responsibilities ?? ??? ?????? ?? guaranteeing quality ???????? ?????? ????? ???? ????? ????????? ?????? ?

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