???? Accord ??????? essential ????? ??? undertakings ??? ????? ??????. Specifies ??? ????????? obligations ??? side ???? relates to ????? equipment, ????????? ????? ???????. Aids ??? ????????? ?? limiting ????????? ??? parties ???????? duties ?? side ?????? ?? ?????? ???? ???????? ??????? ????? ???? ????? ?????? ?????? ???????, ??? ?????? ?

??? ????? ?? ?????? ??? ???? ?????? ???? ??? ??????? ???????. ??? ???? ???? ?????? ??? ?????? ??????. ??? ??? ?????? ??? ??? ??? ??????? ???????, ??? ????? ?? ????? . ????? ?????? ???? ?????? ????? ?????? ? ??????? ???? ? ????? ??????. ??????? ??????? ?????? ???? ????? ????? ?????? ??????? ???? ?????? ?? ?? ?????. ???? ?? ????? ??? ??? ??????? ?