The main purpose of metal detectors

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  1. Security: Metal detectors are commonly used in security checks, such as at entrances to airports, train stations, stadiums and public places, to detect people carrying dangerous metal objects. This helps prevent the carrying of weapons or other dangerous items into the controlled area.

  2. Find lost items: Metal detectors can help people find lost metal items, such as lost keys, rings or other valuables. By scanning the surrounding area, people can quickly find buried or hidden metal objects in the ground.

  3. Historical Archaeology: Archaeologists often use metal detectors to find ancient relics buried in the ground. These relics may be metal tools, weapons, jewelry or coins from ancient civilizations. Metal detectors can help identify potential archaeological sites and provide researchers with important historical information.

  4. Metal recycling: In the process of recycling garbage and scrap, metal detectors can be used to find metal impurities, such as nails, bolts, aluminum cans, etc. This helps to ensure the quality of recycled materials and improve recycling efficiency.

  5. Leisure activities: Some people like to use metal detectors for leisure activities, such as beach searches or adventures. They take metal detectors to outdoor areas to look for metal objects buried under the soil or sand, which is also a fun way to entertain.

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