???? ??????? ??????? ???? ????? ??? ???????? ??? ????? short. Specifies ??? ????????? obligations ??? side ???? ????? upkeep ???????, and details ????? official. Contributes ??? ????????? ?? limiting disputes ??? ??????? making clear responsibilities ?? side ?????? ?? ensuring quality ???????? ????? ????? ???? ????? ????? ?????? ???????, ??

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