????????? ??? ?????, ?? ??????????? ?? ????????????? ??????? ?????????? ???????? ??????????? ????? - ??????? - ?????????? ??????????? ????????? ??????????? ?????/???????????????? ???? - ????????? ??????????? ?????? & ???????????? ??? ?????????? ???????? ??? ??? ??? ?????? ???? ????????????,  ??????? ????????? He proposed creating a 4-wheel-push ca