??????????? ????? ????????: ????? ?? ????????, ??????? ? ????? ?? ???????? ???????? ????????????? ???????? ? ?????, ? ??????, ????? ? ?????? ?????? ???? ?????????? ??????? ??????????????? ????????. ???????? ????? ?????? ?????????? ?????????? ?????????? ???????, ?.Accessibility tests instruments Perform a significant function in evaluating and mak