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<p>[QUOTE=&quot;Shangas, post: 266369, member: 360&quot;]I have heard of those scanners. I forget their precise name, but basically they fire a laser at the metal. By measuring the reflections, they can calculate the percentage of each metal inside whatever it is. </p><p><br /></p><p>Congratulations on your find! Personally I would&#039;ve kept it, but to each their own![/QUOTE]</p><p><br /></p>

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