???? ?? ???????? ??????? ?/? ??????, ???????? ????????? ???????????? ??????? ?????????? - ????????? ?????? ???????????? ???? ??????. ? ????????, ???????? ?????????????? ? ??????????? ?? ???????????????? ??????, ?????? ??????? ????????? ?? ????????? ??????????.Ferguson's plan was to combine a link by means of two lessen and one higher elevate arms w