All You Need to Know About Metal Detector
Metal Detector is a device that detects metal substance even if its buried under the surface . Metal detectors are useful for finding buried treasures hidden underground , They often consist of a handheld unit with a sensor probe which can be swept over the ground or other objects. How Metal Detector Work? The simplest way metal detector works is when the Metal Detector sensor comes near a piece of any metal this is indicated by a changing tone in...
