3 thoughts on “What device is lost when you lose your diamond ring and find it quickly”

  1. You can clearly tell you that no equipment can be found quickly. If so, it is a metal detector, but it depends on where you fall. If you fall at home, there are metals everywhere at home. How to detect it? Intersection If you fall outside, you don't know where to fall, how to find it?

  2. If you know the scope of the diamond ring, then I suggest you better find a sensor. Because the sensor is to search for diamond ring, some reflection of the diamond ring will be highlighted. To reach the accurate loss of position. Of course, this has certain science and technology.

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