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按照国家标准《有毒作业分级》、《职业接触毒物危害程度分级》、《生产性粉尘作业危害程度分级》的规定，对某机床厂喷漆、电镀、电焊、铸造、喷砂、锻造等３５ 个岗位做了调查。结果接毒作业Ⅰ级危害岗位占７０ ％ ，Ⅱ级危害岗位占１５ ％ ，Ⅲ级危害岗位占１０ ％ ，０ 级危害岗位占５ ％ ；接尘作业Ⅰ级危害岗位占８６ ．３６ ％ ，Ⅱ级危害岗位占１３ ．６４ ％ 。
In accordance with the provisions of the national standard “Toxic Operating Classification”, “Occupational Exposure to Toxicity Classification” and “Hazard Classification of Productive Dust”, 35 positions of a machine tool factory such as paint spraying, electroplating, electric welding, casting, sandblasting and forging Did a survey. Results The first grade hazardous work took 70%, the second grade accounted for 15%, the third grade accounted for 10%, and the 0th grade accounted for 5%. 36%, Ⅱ-level hazards accounted for 13 jobs. 64%.