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为了摸清筑路施工中粉尘对工人的危害,有利于保护劳动者的健康,我们对公路修建施工中尘肺的发病作了调查:受检人数2102人,检出矽肺患者7人,检出率0.33%,其中“I”6人,“I~+”1人,“O”17人,检出率0.81%。7例矽肺患者中,工龄最长32年,最短15年,平均22.42年,年龄最大63岁,最小42岁,平均51岁。矽肺与工龄、年龄的发病关系见下表:
In order to find out the hazards of dust to workers during road construction and to protect the health of laborers, we investigated the incidence of pneumoconiosis in road construction and construction: the number of subjects was 2102 and the number of silicosis patients was 7, the detection rate 0.33%, among which 6 were “I”, 1 was “I ~ +” and 17 were “O”. The detection rate was 0.81%. Of the 7 silicosis patients, the longest service was 32 years and the shortest was 15 years, with an average of 22.42 years. The oldest was 63 years old and the youngest was 42 years old, with an average of 51 years. Silicosis and length of service, the incidence of age in the table below: