conclusion in comparison with the natural gem silicosis workers, the prognosis of the artificial gem silicosis workers is better.
结论与天然宝石加工厂比较,人造宝石加工厂硅肺预后相对较好。
objective to understand the hazardous effects of occupational risk factors on the health of the workers in an artificial gem plant.
目的了解人造宝石加工行业职业危害因素对作业工人健康影响。
methods a hygienic investigation was carried out in a certain artificial gem plant, and dust concentrations and noise level of the workshops were measured.