SILICA DUST, CRYSTALLINE, IN THE FORM OF QUARTZ OR .
Electronic grade quartz is used in electronic circuits, and optical grade quartz is used in windows, and other specialized devices (e.g. lasers) (IARC, 1997). .. Findings of relevance to lung cancer and crystalline silica exposure arise from five main industrial settings: ceramics, diatomaceous earth, ore mining, quarries, and.
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