???? Accord ??????? essential ????? functioning undertakings ??? ????? ??????. Specifies ??? ????????? obligations ??? ??? ???? ????? upkeep machinery, including ????? ???????. ?????? ??? ????????? ?? minimizing disputes ??? sides and clarifying duties ?? party Helps ?? guaranteeing quality ???????? ????? ????? ???? ????? ????????? ?????? ?

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