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已取得地质成果而再不需保留的坑道中的坑木应尽可能回收。这样既节约了木料，又支援社会主义建设。但是在地质勘探中，设备少，不能用机器回收，手工的直接回收是主要方法。手工回收在受压力大的棚子中，是较困难及危险的。我们通过三结合的办法，制订了回收具体方案。由于方案的正确，回收效率很高，每班4人回收40多架，五天中回收了五百多架，回收坑木100立方米，背板小杆等物70立方米。回收中保证了安全。具体作法如下：
The pits in the tunnels that have obtained the geological results and need not be preserved should be recovered as much as possible. This not only saves timber, but also supports the building of socialism. However, in geological exploration, less equipment, can not be recovered by machine, manual direct recovery is the main method. It is more difficult and dangerous to recycle manually in stressed shacks. We have adopted a three-pronged approach to formulate a specific plan for recycling. As the program is correct, the recovery efficiency is high, 4 people in each class recycle more than 40, five days recovered more than 500, 100 cubic meters of pit recycling, backboard pole and other objects 70 cubic meters. Recycling to ensure safety. Specific practices are as follows: