With the change in the economic structure, many mining enterprises of the mining countries of the world cease to function, one of the reasons for which is the weakening of the mineral resource base for the production of metals.
No takes yet. Share an insight, caveat, or question.
Голик Владимир Иванович (2024) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: