Niobium mine - visitors welcomed by singing children

288 views · Published 29 November 2011 · 0:56 · Indexed 30 October 2026

Channel: bhadeshia123 · 2011 · Education

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This is a group of children at the CBMM niobium mine in Araxa, Brazil, welcoming visitors. More information on
http://www.phase-trans.msm.cam.ac.uk/2006/Nb/Nb.html

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