...back to warfare, God help me! Just a quick explanation about metal detectors...1st metals are magnetic, so to be able to cross a barrier of magnetism, there's a proportion, for instance at airports, with 1 meter parallel barriers, a gun then should be 1 cm length. 2nd Again, besides the magnetism of metals, there's also density... finding out a material able to hidden a gun, was not easy, and be sure it was the material used by the secret services, was a very hard confirmation! But, it is, Nylon 66, a powerfull, plastic polymer and resin!
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