Pulse Induction will not be special to metal detectors for gold, and in fact, the heart beat induction process also helps airport protection, amid other factors. Why, then, do some prospectors like PI steel detectors for gold so much? Each time a PI metal detector sends out a sign, https://gold-detector89976.alltdesign.com/the-single-best-strategy-to-use-for-gold-detector-57819402