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河北兴隆县交通运输局铁工郑春发同志,于1958年在石庙子筑路工地工作中,与铁工同志集中研究创造了用土法接长钢钎,使开山工程中所剩下的残废短头钢钎恢复了新生。以往工地的钢钎用到剩余60厘米时,就不能再用了,也不能接长,只好作为废钢处理。自去年7月,找出了钢钎土法拼接后,当即使库存的废钢钎经过改接淬火成为新的长钢钎,先后使一吨多钢钎重新回到了工地。总共节约价值在1340元以上,并解决了钢钎供应上的困难。这一方法总结已取得如下的经验:
Comrade Zheng Chunfa, an ironworker from the Transport Bureau of Xinglong County in Hebei Province, commanded a site of construction work in Shi Miaozi in 1958, Drill recovery of new students. In the past, when the remaining 60 centimeters of steel used in the construction site was used, it could not be used any more, and it could not be used for longer. It had to be treated as scrap. Since July last year, we have found out that after the steel brazing soil method is spliced, even if the inventory of scrap brazing is changed to new long brazing, the one ton of brazing steel has been returned to the site one after another. Total savings of more than 1,340 yuan, and to solve the difficulties of supply of steel. The summary of this method has gained the following experience: