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Gold and metal detectors Secrets

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VLF means Incredibly Lower Frequency and is similar technological know-how Employed in detectors crafted for coins, jewelry, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from 3 kHz to 70 kHz. Here are five main reasons why you may decide on a VLF in excess of a https://whoosmind.com/forums/thread/35631/

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