Name   Other Mineral and Stone Treaters
Number 71290
Description This group includes mineral treaters not elsewhere classified, for example those operating equipment to dissolve gold and silver in cyanide solution to separate it from gangue; removing impurities from minerals by means of running water; operating vibrating and oscillating screens or tables to size or separate minerals; tending machines that compress finely ground minerals or coal into briquettes or pellets; and operating machines which separate minerals by magnetism.

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