????? ???? ????? ?? ??????????? ??? ??????? ?????? ?? ???? ???? ??? ??????? ????? ???? ???? ???? ????? ????? ?????.An eGuide from METTLER TOLEDO Safeline outlining techniques required to properly test industrial steel detectors for compliance with food items field standards and regulations. ???? ?????????? ?????? ?? ???????? ??????? ?? ?????? ????