If it is a security check -up at the airport, any metal substance will sound the security check, including the metal accessories, the belt, etc. on the shoe, the small metal objects will sound. For the time being, there is no saying that the gold ring is impure, and the security detection will sound. Jewelry is temporarily in the instrument that simply detects diamonds. The instrument detection pen touches the diamond. As long as it is responding, the real diamond will be resounded.
If it is a security check -up at the airport, any metal substance will sound the security check, including the metal accessories, the belt, etc. on the shoe, the small metal objects will sound.
For the time being, there is no saying that the gold ring is impure, and the security detection will sound. Jewelry is temporarily in the instrument that simply detects diamonds. The instrument detection pen touches the diamond. As long as it is responding, the real diamond will be resounded.