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天津市蓟县北部山区,矿山资源丰富。近年来,随着农村经济体制的改革,小石料行业得到了迅速发展。据统计,全县共有小石料厂21 7个,其中90%是乡办和户户联办厂,工人总数9063人,接尘作业工人8183人,占90%。这些工厂均为露天作业,生产条件简陋。在打眼、爆破、运料、粉碎、筛分,机下接料运输、成品储存这
Jixian County in northern mountainous areas, mines rich in resources. In recent years, with the reform of the rural economic system, the small stone industry has been rapidly developed. According to statistics, a total of 21 7 small stone works are located in the county, 90% of which are township-run and household-linked factories with a total of 9063 workers and 8183 workers who work on dust, accounting for 90% of the total. These factories are open-air operations and have poor production conditions. In the drilling, blasting, hauling, smashing, screening, the next material transport, finished storage of this