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Уул уурхай
Уул уурхай. Цементийн үйлдвэр . Энерги. Бидэнтэй холбогдох. Mining. Wear protection in mining - at the start of the value creation chain. Mining operations extract mineral raw materials on a truly impressive scale in terms of quantities and material stresses. Moreover, they must handle the increasingly problematic overburden, which as waste ...