1. ???? ??????/???????/???????? ?????? ???? ??? ???????
2. ?? ?????? ???? ??? ????? ?? ?? ?????? ???? ????, ?????? ??? ?? ??, ?? ????? ?????? ??? ?????? ?????? ??? ?. ?? ???? ???? ????? ????? ?? ????? ????? ???? ????? ?????.
3. ???? ???? ?????, ??????? ???????? ????? ???? ????? ?????
4.Built-in ?????? ????????? ??????, ????????? ?????? ????? ???? ?????? ?????? ?????? ???? ???????????, ????????? ???? ???? ??????? ?? ?????? ??????
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