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manganese is an essential trace nutrient for all known forms of life because it serves as a cofactor for many essential metabolic enzymes. however, an excess of manganese, particularly in certain forms such as inhaled dusts and fumes, can be toxic. the primary ore of manganese is pyrolusite, the mineral...
suggestions include the latin antimonium, which first appeared in a latin translation of the work by ceber, the arabic phrase mesdemet, and the greek words anti and monos, meaning "not alone," owing to the fact that the element occurs primarily in compound form or with other heavier metals. its most common mineral...
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tools forming and separating marine materials handling metallurgy mineral processing mining motion simulation technology offshore oil and gas land based pulp and paper machinery recycling and waste handling renewable energies rubber processing shipyard equipment stage technology sugar industry testing...
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