??????????? ????? ??? ??????? ??? ??????????? ?? ??????????? ???? ???????????? ????????? ? ??????? ??????? ?? ???????? ? ??? ????????? ??? ????????? ????? ??? ?? ??? ??????????? ??? ????????? ?????? ??? ??? ??????? ???.This problem can transpire in the two 2WD and 4WD vehicles, When a driven wheel is placed on a floor with small traction or elevate