كشف المعادن - An Overview
???? ??? ????? ???? ????? ??????? ???????? ??? ??????? ?????? ??????? ???????.
????? ??????? ???? ???? ?????????? ??? ??? ????? ??????? ???? ???? ?? ??? ??????
????? ??? ?????? ??????? ?????? ?? ???? ??????? ?????? ?? ???? ???? ???? ??????? ??????? ???? ???????? ???????? ???????? ?????? ????.