If defective on arrival, the buyer will get a entire refund quickly and no return with the miner is needed.?? ??? ??????? ????? ??? ? ?????????? ?????? ????? ???? ??????? ?????? ??????? ?? ????? ?? ????? ?????? ???? ????? ???? ??? ???.???? ???? ??? ?????? ???? ????? ???? ????? ???? ? ?????? ?????? ?? ?? ??? ???? ???? ???.3. Make sure you recognize