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Determination the Level of Dust ond Free Silica in Air of Khaf Iron Stone Quarries
dust free silica X-ray diffraction (XRD) Khaf Iron stone quarries
2009/12/17
Background and Objectives: Silica is an inorganic material that found in the nature in various forms. The hazards of crystal of silica or α-quartz (free silica) is greater than other forms. Exposure t...