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近几年,从事麻将牌生产的人渐多,其中多数是由乡村办企业、专业户及家庭加工生产。为摸清麻将牌生产过程中存在的劳动卫生问题,我们对某麻将牌生产专业村进行了劳动卫生调查。现报告如下。生产过程中的有害因素烧料制极过程中,从裂化至高温聚合均有聚甲基丙烯酸甲酯(简称MMA)气体逸出。MMA 除了有强烈的刺激气味外,对人也有一定的毒性。其次MMA 在空气中达到一定的浓度可引起燃烧和
In recent years, there have been more and more people engaged in the production of mahjong cards, most of which are produced by village-run enterprises, specialized households and families. In order to find out the problem of labor and health in the process of producing the mahjong card, we conducted a labor and health survey on a mahjong tile specialized village. The report is as follows. Harmful Factors in the Production Process During the sintering process, polymethylmethacrylate (MMA) gas escapes from cracking to high temperature polymerization. MMA in addition to a strong stimulating odor, but also to some people’s toxicity. Second, MMA reaches a certain concentration in the air can cause combustion and