Bizarre Noises: uncommon noises including grinding, squealing, or banging may signify mechanical difficulties that will need quick notice. ????? ??? ?????? ??? ?????????: ????? ?????? ?????? ?? ?? ????? ???? ????? ?????? ?????? ????? ?????: ???? ?????? ??????? ??????? ?????? ??? ???? ???????? ???? ???? ??????? ??????????. ?? ?????? ???? ????? ??