" ????? ???? ????? ??????????? ??????? ??????? ?????? ????????. ????? ????? ????? ????????? ???????? ?? ?????? ?? ??? ????? ?? ?????? ?? ?????? ??????? ?????? ????? ?????? ????? ???? ??????." ?? ???? ????? ?????? ???? ???? ????? ????? ??????? ??????? ?? ??????? ???????? ??????? ????? ???? ??????? ???? it may be hard to know all the different type