Neodymium magnet

Описание: Neodymium magnet
See, the most powerful magnet in the world is neodymium. It is so powerful that if it gets stuck to something made of iron, it becomes very difficult to remove it by hand. And when people put it in the river, they can pull up to 10 kg of iron despite its small size. Some people put it in the river and take out lost things like money, mobiles, and sometimes even old items. If you had such a magnet, what would you find in the river?
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