Frequency metal detector operator error
Metal detector or any type of detector or GPR or ground penetrating radar or mine detector of the type of frequency whose circuit is designed according to the principles of radar which works with low [...]
Metal detector or any type of detector or GPR or ground penetrating radar or mine detector of the type of frequency whose circuit is designed according to the principles of radar which works with low [...]
On the other hand the frequency field related to frequency radar or frequency detector or metal detector with a combination of electric fields with high positive electric charge and magnetic field with very low negative [...]
An Operator or a user who has not Learned or does not know how to work with a Metal Detector or Detector or Manual Ground Radar or Mine Detector or Ground Penetrating Radar or Frequency [...]