An extranet is radiation frequency range 1016 - 1022 Hz there is Wave length between 8-10-10 - 13 meters, which can be blocked through thick, an extranet is the main radiation to create change the speed of electronin the industry use to detect crack in a large metal parts using checks for firearms, or a bomb in your pocket travel and study the sort of atoms in crystals.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)