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" D; c% O" p3 a" O& h7 g( [In security applications, metal detectors play a crucial role in ensuring safety at airports, schools, stadiums, and other public places. They help identify concealed weapons or prohibited items, reducing potential threats and enhancing public protection. In archaeology, metal detectors assist researchers in discovering ancient artifacts buried underground, helping them uncover historical information without extensive digging. Hobbyists also use metal detectors for recreational purposes, searching beaches, parks, and old sites for coins, jewelry, and other valuable items that may have been lost over time.9 T w5 Q% e6 x
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