????????? ? ??????? ????????, ??????????, ???????? ???? ?????????, ????????, ????????… ?????? ?????? ? ??????? ?????? ? ?????????????? ?????????????? ???????? ??????????? ? ?????????? ?????, ??????? ??????? ??????? ???????? ??????.A bulldozer is really a track-kind tractor which has a blade connected within the front plus a rope-winch behind. Bul