???? ?? ????? S2 R 68 ??? ??? ????? ??????? ? ?????? ??? ?? ???? ????? ????? ???? ????? ????? ?? ????. ??? ???? ?? ???? ???? ?????? ?? ????? ??????? ?????? ??? ??? ? ?? ????? ????? ?? ??? ?? ??smoothness ???? ????. Shell Corena S2 R 68 : Exceptional Performance in Demanding Environments Shell Corena S2 R 68 is a high-performance hydraulic oil