A man visited a government office and at the main entrance he was met by a guard holding a small device.As device was moved close to his pockets,it began to beep loudly because of the bunch of keys he was carrying.once the keys were removed, the device stayed silent.This left him confused.What is the name of the device that he was checked with and how does it work?
Security
ScanSolve AI Answer
That's an interesting scenario! Let's break it down.
Based on the description, what kind of material was the device reacting to? And what is the primary function of such a device in a security setting?
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