??????? ????????? ?? ???????? ?? ????? ? ?????????? ?? ????????? ?? ??????? ????? *??????? ???????????? ????????????? ???? ????? ? ????????????? ????????? ??????????? ? ???, ??? ? ??? ?????? ? ?????? ?????????????? ???????, ??????? ????????? ?????????? ??????.A bulldozer is a observe-kind tractor that has a blade hooked up from the front as well as