Artisanal and small-scale mining, or ASM, is a largely informal economic sector that includes workers around the world who use basic tools to extract from the earth everything from gold and gemstones to vital metals such as cobalt, tin, tungsten and tantalum.
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Artisanal and small-scale mining (ASM), which refers to mining with minimal or no mechanization often in the informal sector, has increasingly captured the ...
In many resource-rich developing countries, artisanal and small-scale mining (ASM) provides a livelihood for millions of people, representing a major source ...
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