???????? ??????????, ??? ???????? ??????????? ???????? ???????? ? ???????????? ????????, ? ??? ????? ? ???????????????? ??????????????? ???????? ??????????? ??????????????. ??, ???????, ????? ?????????? ????????? ???????? ???, ? ??????? ? ??????? ???????, ? ?????? «???????????» ????? ?????.These early tractors had been cumbersome, and ill-suited