| 11. | Mining this rare metal has devastated the planet, poisoning its seas and fatally polluting its atmosphere.
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| 12. | They were once hypothesized to use the rare metal vanadium as an oxygen binding prosthetic group.
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| 13. | Eagle-Picher Company employed more than seven hundred people at its plant that extracted the rare metal germanium.
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| 14. | These are commonly found along with copper, gold, silver, and a large amount of other rare metals.
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| 15. | This rare metal is mined at Mt.
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| 16. | The story takes place in the future, where competition is fierce among greedy prospectors of a rare metal.
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| 17. | Titanium is a relatively rare metal useful to the defense industry because of its strength and light weight.
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| 18. | After being polished, the mirrors were coated with a vapor-thin layer of the highly reflective rare metal, iridium.
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| 19. | Another problem is the frequent theft of radioactive cables in Semipalatinsk because of their high rare metals content.
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| 20. | Chronometer makers also took advantage of the physical properties of rare metals such as gold, platinum, and palladium.
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