???? ??????? ??????? ?? ?? ??? ???? ????? ????? ?? ???????? ???????? ?????? ??????. ????? ?? ???? ?????? ????? ???? ?????? ?? ???? ????? ????? ?? ?????.The commonest variety of metal detector is usually a hand-held steel detector or coil-primarily based detectors working with oval-shaped disks with developed-in copper coils. The look for coil will