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The permit grants Mangan Chvaletice exclusive mineral extraction rights and legal protection in the project area. Credit: Peruphotart/Shutterstock. Mangan Chvaletice, a fully owned subsidiary of

Monadelphous Group will construct a replacement ammonium nitrate storage facility at Rio Tinto’s Brockman 4 mine. Credit: Adwo/Shutterstock. Monadelphous Group, an Australian engineering company, has