晋城、潞安局的劳动效率,80年代初期在全国就处于领先地位,近几年又有大幅度提高。晋城局原煤全员效率由1984年的2.024吨/工提高到1989年的4.684吨/工,5年增长了1.3倍;潞安局的原煤全员效率由1983年的2.027吨/工增长到1988年的4.209吨/工,5年也增长了1倍多。效率大幅度提高的原因之一——技术进步 Jincheng, Luan Bureau of labor efficiency, the early 80s in the country are in a leading position, in recent years have greatly improved. Jincheng Bureau of full coal efficiency increased from 2.024 tons / worker in 1984 to 4.684 tons / worker in 1989, an increase of 1.3 times in five years; Luan Bureau of full coal efficiency increased from 2.027 tons / worker in 1983 to 1988 4.209 tons / worker in the year, more than doubled in five years. One of the reasons for the significant increase in efficiency - technological progress