Which element, also known as wolfram, is mined in Oruro?
Nickel
Tungsten
Zinc
Iron
Answer
Tungsten is a chemical element with the symbol W and atomic number 74. It is a rare metal with a bright, silvery-white color that darkens when exposed to air. Tungsten is one of the hardest and densest metals known. It is also very resistant to corrosion, making it a valuable material for use in many industrial applications.
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