据外刊报道,早在本世纪初,人们就已认识到石棉粉尘的危害,它可导致一系列疾病,象石棉肺、肺癌以及支气管癌、胸膜斑、肾癌等。因此,从七十年代末到目前为止,一些国家的石棉工业生产及其消耗量逐年下降,生产每况愈下。前不久,美国国家环保局已作出关 According to reports in foreign journals, as early as the beginning of this century, people have recognized the hazards of asbestos dust, which can lead to a series of diseases such as asbestosis, lung cancer, and bronchial cancer, pleural plaques, and kidney cancer. Therefore, from the end of the 1970s so far, asbestos industry production and consumption in some countries have been declining year by year, and production has been deteriorating. Not long ago, the US National Environmental Protection Agency has made a