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1992年上海某公司在深圳蛇口承造深圳市海洋管道排污工程,所用的混凝土管,直径2.6m,位于地下20m,预计工程总长为1682.5m,工人在工具头操作。由地面压缩机通过镀锌水管直接送风至工具头供应空气。工人在工具头连续作业8小时,工作结束后数小时有11名工人相继发生头晕、胸闷等前驱症状,然后出现怕冷、发热、四肢酸痛等症状。经本公司医务所
In 1992, a company in Shanghai undertook to build a marine pipeline in Shenzhen city of Shekou, Shanghai. The concrete pipe used was 2.6m in diameter and 20m underground. The total length of the project is expected to be 1,682.5m, and the workers operate at the tool head. Direct supply of air from the ground compressor to the tool head through galvanized water pipe. Workers in the tool head for 8 hours of continuous work, a few hours after the end of work 11 workers have dizziness, chest tightness and other prodromal symptoms, and then appear cold, fever, limbs and other symptoms. The company by the medical clinic