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 OPERATING PRINCIPLE OF METAL DETECTORS? Any metal detectors operate on the basis of known school curriculum “eddy currents”. We won’t go in...

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 This part of the metal detector is in constant contact with the soil. It is easy to damage against stones, branches and other elements of t...

 Much more sensitive metal detector with data DD coil, which can be easily done at home, Is it possible to make a metal detector to make you...

 Novice searchers treasures worth not take professional expensive metal detectors. They contain many features that can easily confuse a newb...

 Metal detector is of modern devices that are used in search of minerals underground, or to ensure the security and protection in many place...

 How to make a gold detector device industry from natural materials:  a sprig of Pomegranate tree and figs and olives level figure, tall and...