A metal detector is an electronic instrument that detects the presence of metal objects. It works by generating an electromagnetic field and detecting changes in that field caused by the presence of metal. Metal detectors are used in various applications, including:
- Security: They are used at airports, government buildings, and other security checkpoints to detect concealed metal objects like weapons.
- Treasure Hunting: Hobbyists use metal detectors to search for buried metal objects like coins, jewelry, and artifacts.
- Construction: Metal detectors can be used to locate underground pipes, cables, or other metal objects before digging.
- Industrial Applications: They are used in manufacturing processes to detect metal contaminants in food products or other materials.
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