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In Sulawesi, Indonesia, miners add 1 kg Hg in each ball mill while
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Mill (grinding) - Wikipedia
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting However, small versions of ball mills can be found in laboratories where they are used for grinding sample material for quality assurance. Ido · Bahasa Indonesia · Italiano · עברית · Kabɩyɛ · ქართული · Қазақша · Kreyòl
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Ball Mill | Definition of Ball Mill by Merriam-Webster
National Geographic, "The Toxic Toll of Indonesia's Gold Mines," 24 May 2016 For 15 years, Resti's family has operated a ball mill just outside the kitchen door.
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The Production of Nanoparticles Chitosan from Crustaceans Shell
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