????? ????? ?????????? ?? ????? ???????? ????????? ?????? ?????? ??? ??????? ??????? ?? ???? ????????? ?? ???? ???? ?????? ????????? ?? ????? ????????? ?? ?????? ????????? ?????? ????????? ????? ????? ??????? ?? ?????? ???????? ??????? ?????? ??????? ??????? ????????? ???????? ?????? ?????.Electromagnetic Gold and steel detectors are regarded as ce