Oulu once produced up to ten percent of the world's rare earth metals. Tekniikka&Talous interviewed Jukka Liimatainen, who is presumably the last or one of the last surviving engineers who once worked at the plant.
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Oulu once produced up to ten percent of the world's rare earth metals. Tekniikka&Talous interviewed Jukka Liimatainen, who is presumably the last or one of the last surviving engineers who once worked at the plant.