?? ???????? ??????? ?????? ??????? ??? ????? ?????? ?? ??? ???? ???????? ????? ??????? ?? ????? ????????.????? ?????????? ?? ??? ????? ??? ?????? ???? ????? ?? ????? ???? ???? ????? ????? ??? ????? ??? ????.????? ??? ?????? ??? ????? ????? ????? ?????? ???? ?????? ???? ????? ????? ?? ????? ?? ??????? ???????? ???? ???????? ?? ???? ????? ???????? ??… Read More

???? ???? ?? ???? ????? ??? ????? ???????? ??? ????? ??????? ??? ??? ?????? ?????? ?? ?????? ??? ????? ?? ??? ??? 50 ????? ??? ?????? ?? ???? ????? ?????.???? ??? ????? ??? ???? ??? ???????? ?? ????? ????? ?? ?????? ?????? ??????? ???? ????? ??? ??????? ??? ????? ???? ??? ??????? ??????? ?????? ????.???? ???????? ???? ???? ????? ????? ??? ??????? ?… Read More

How to Use a Gold Vein DetectorMetal detectors were an exhilarating technology that fascinated my Sudanese interlocutors during my stay in their settlement (2009-10). These devices use electromagnetic induction to search the terrain; when they detect subterranean metals such as gold, they signal them audibly.Vein extraction in Sample DC-2 performed… Read More