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日本劳动省1981年对30人以上的工厂中从事有害作业的130万工人、休工一个月以上及其健康状况进行了调查。调查范围包括有害作业较多的钢铁、石油、煤炭、化工、非金属、机械运输、陶瓷等工矿企业。调查结果表明:休工一个月以上的工人有3.9万人。休工原因以消化系疾病(21.6%)、创伤和中毒(17.6%)为多;其次是肌肉、骨骼系及结缔组织疾病(10.8%)、循环系
In 1981, Japan’s Ministry of Labor investigated 1.3 million workers engaged in harmful operations in factories with more than 30 employees, and laid off workers for more than one month and their health status. The survey included more harmful operations such as steel, petroleum, coal, chemical, non-metallic, mechanical transport, ceramics and other industrial and mining enterprises. The survey results showed that there were 39,000 workers who took more than one month’s leave. The reasons for the termination of work were digestive diseases (21.6%), trauma and poisoning (17.6%), followed by musculoskeletal and connective tissue diseases (10.8%), circulatory system