从事粉尘作业应首先考虑预防粉尘疾病、控制粉尘危害程度,有的企业粉尘危害程度较高,控制的难度也大。需有重点、有针对性地科学治理,才能达到有效保护工人健康和提高劳动生产率的目的。2004~2008年我们在粉尘作业危害程度分级调查的基础上,从粉尘危害严重的两家企业入手,粉尘 Dust operations should first consider the prevention of dust disease, dust control degree of harm, and some enterprises have a higher degree of hazards of dust, the difficulty of control is also large. Only through scientific and targeted management can we achieve the goal of effectively protecting workers’ health and improving labor productivity. From 2004 to 2008, on the basis of grading investigation on the degree of damage caused by dust work, we started with two enterprises with serious dust hazards, dust