Entity: magnets
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magnets

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Rare earth elements are used to manufacture permanent magnets that are employed in defense and aerospace applications.
high technical
Describes a primary industrial use of rare earth elements.
China holds the vast majority of the world's supply of rare earth minerals and related magnets, which are critical inputs for manufacturing in technology areas such as semiconductors and missiles.
high descriptive
Rare earth minerals and magnets are essential raw materials for advanced electronics, defense systems, and semiconductor manufacturing.