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我区为湖南山区,号称“有色金属之乡”。全区共养护公路2147km,其中沥青路490km,砂路1657km(占77.18%)。很多路面用选矿尾砂代替河沙作路面保护层。职工2138人,其中养路工1341人,共有227个工班,每个班约6人,人均养路6km。有碎石、清沟铲草、铺沙、扫路等工种,分工不固定。砂路维护靠手工作业,虽定期发放防尘纱布口罩,但使用率很低。1986年我们对部分养路工班进行卫生学调查和体检,报告如下。
My area is mountainous area in Hunan, known as “hometown of non-ferrous metals.” A total of 2147km of roads are conserved in the region, including 490km of asphalt roads and 1657km of sand roads (accounting for 77.18%). Many pavement with dressing tailings instead of river sand for pavement protection. There are 2138 employees, including 1341 road maintenance workers, a total of 227 work classes, each class of about 6 people per capita road maintenance 6km. There are gravel, gully shoveling, sand, road sweeping and other types of work, the division of labor is not fixed. Maintenance of sand by manual work, although the regular release of dust gauze masks, but the usage rate is very low. In 1986, we conducted some hygiene surveys and medical examinations for some road maintenance workers, and the report is as follows.