???? ????? ??????, ?? ????????? ??? ?????????? ?? ??????????? ??????????, ????????? ?? ????????? ?? ?????????????? ??? ????????????? ?????????????, ???? ??? ????????? ?? ??????? ???? ????.? ????? ???????? ????? ??? ????????, ??? ????????? ? ??????? ???????? ??? ?????????? ? ??????.To turn on display-reader changes at any time, users want only to pu