Are you up for an adventurous adventure in search of gold and valuable treasures? There is no need to look any further! "Gold Metal Detector » : A Treasure Hunter's Guide" is your necessary guide to modern-day treasure seeking. A bore well water detector machine » is a necessary tool for well drilling projects." It identifies underground water sources using advanced technologies such as ground penetrating radar and electromagnetic sensors, ensuring effective bore well placement. This unique technology is a game changer for gaining access to safe and dependable water in a variety of applications. Yes, a metal detector will detect any metal. Also different metals produce different sounds. After sufficient time you will identify the various noises produced by a metal detector. Interestingly the lead from a bullet sounds almost like the return from a gold nugget. Whereas brass from the bullet casing sounds totally different and can be safely ignored. One thing you should bear in mind, don’t expect to find gold anywhere, there are certain geographical areas that produce gold. Check the library for these gold producing areas closest to you. Where I live in Victoria Australia, we have the central gold fields as well as many other locations where gold is mined commercially and by amateur people with either detectors or panning equipment. Hope this helps.