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Particles of respirable crystalline silica typically are released into the air during cutting crushing drilling grinding and sawing materials such as bricks cinder blocks mortar stone and rock One of the most common forms of silica dust is quartz Inhaling respirable crystalline silica can lead to lung disease

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    How long do the hammers last crusher mode A lot depends on what materials you are working with A set of Chromium carbide matrix crushing hammers can last as long as 7080 hours of crushing in low silica rock types however difficult to crush and highly abrasive materials will

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