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Piece of blue green copper (Cu) oxide ore, amongst batteries. Mine, mining of critical minerals, metals. Use in energy transition, clean energy
Mixture, variety of critical minerals, raw materials. Required for modern technology, such as solar panels, semiconductors, wind turbines, batteries, transportation. Mine, mining, background concept.
Cerebral circulatory disorder. Surgery for cerebral stroke. Brain bypass surgery
Image of mathematical formulas over students in classroom. education and learning concept digitally generated image.
a mature pretty woman in glasses looking direkt questioning and criticizing

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