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What Is Involved In The Crushing Process Of Small Scale Coal Mining Corporation

2011-12-28The process of mineral concentration and cleaning was conceptualied centuries earlier by selective hand sorting of desired or undesired particles of lumpy sie by mere appearance, color, texture, heaviness, etc. Hand sorting was common practice to separate rich ore as concentrate and wood or iron pieces as a cleaning process from ROM ore. Hand sorting is still a popular method in small-scale