?????? ?/? ??????? ? ??????? ??? ????????? ???? ??????, ?? ?????? ?????? ? ????????, ???????? ???????? «????????». ?????? ????????? ???????????? ?? ????????? ??????. ?? ?????? ???????? ??????? ?? ???????? ??? ????????? ???????? ???????, ???????? ?? ? ????????? ??????? ??????????.Early tractors utilised belts or cables wrapped within the flywheel