在毛主席无产阶级革命路线指引下,以中发(70)71号文件为指针,认真贯彻执行党的安全生产方针,相信、依靠广大职工群众,不断加强采面(即采煤工作面中,下同)的顶板管理,几年来基本做到了安全生产,消灭了重大顶板事故。特别是1973年元月,在回采煤层地质条件复杂,顶板极其破碎的 Under the guidance of Chairman Mao’s proletarian revolutionary line, taking the document No. 71 of CPC (70) as a guideline, we must conscientiously implement the party’s safety production principle, believe that by relying on the broad masses of workers and staff and continuously strengthening the workmanship (that is, The same below) of the roof management, the basic safety of production over the past few years, eliminating a major roof accident. Especially in January 1973, the geological conditions in the coal mining complex, the roof is extremely broken