metal detector test

All these tests of metal detectors at the test site, stories from top bloggers and assurances from manufacturers about a new, more powerful, innovative and revolutionary one, all this is good. This is an integral part of marketing and the…

Why not? So, should you take a garbage test with a budget metal detector? And, not just carry it out, but do it with a scientific and systematic approach. Moreover, even write down a mission and a super task for testing. So. What motivates…