? ?????? ???? ????????????? ???????? ????????? ???????? ?????????? ?? ????, ??? ?????????? ???????? ?????? ? ??? ???????????? ??, ??????? ?????????? ?????????????.?????? ???????????????? ?? ?????????? ?? ??????????? ?? ??????? ??????? ?????????:A bulldozer is a track-form tractor with a blade connected within the front plus a rope-winch guiding. Bu