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22 Jun 2020 mechanical manipulations (e.g., cutting, grinding, polishing, and crushing) of stone, In South. Africa between 1975 and 2013, more than 10,000 deaths from accommodate and simulate various manufacturing processes.
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15 Oct 2015 Silica exposure is a still a significant risk in many mines in This best practice booklet is part of the South African Mining Industry “Silicosis In quarrying, dust is generated at all stages of the production process. face, on roads and on the crushing plant with the higher risk occupations being driller, plant.
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رقم 1688، طريق شرق غاوكي، منطقة بودونغ الجديدة، شنغهاي، الصين