????? ??????? ???????? read more ????? ?????? ?????? ?? ????? ???? ?????? ???? ??????? ????? ?? ????? ???????? ??? ??????? ??????????? ??????? ???????. ??? ???? ???????? ???? ???? ?????? ?????? ???????? ?? ???? UPS (Uninterruptible Power Supply) ?? ???? ?????? ????????. ??? ???? ?????? ?? ???????? ?? ?????? ???? ??? ???? ???? ???????? ?????????? ??