THE TECHNOLOGY’S EFFICACY. YEAH. WHEN IT COMES TO KEEPING SCHOOLS SAFE, SECURITY EXPERTS TELL ME A METAL DETECTOR ALONE IS NOT ENOUGH TO PREVENT WEAPONS FROM GETTING INSIDE. ACCORDING TO OFFICIALS ...
Why would you want to detect metal? Oh, I don't know … maybe you want to find some gold in the ground. You could dig up ALL the dirt, or you could find the location that has the gold before you dig.
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