The GPZ 7000 has an extremely sensitive discrimination function that can help you to ignore trash objects and deal with obtaining serious treasures. The best thing of the machine is its detection techniques, which combines both equally prolonged variety and geophysical method, it offers me extra effectiveness and saves my http://inquisnower.phorum.pl/viewtopic.php?p=750251&sid=aa65f24a6c78d97b3e0fe9a56c6667bd#750251