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On the evening of September 30, when thousands of families are enjoying the National Day holiday, in lanzhou petrochemical company, liu xiang, a technical expert of luoyang xincheng company, is busy ahead. Two M60 bolts on the equipment are stuck. If they are not removed in time, it will cause significant delay in the progress of lanzhou petrochemical's follow-up projects.

In the construction environment of the site, there are poisonous and corrosive petrochemical raw materials, which make the site operation even more dangerous. Because the bolt material is relatively hard, the guide tube with it cannot play its due role, which makes the construction progress extremely slow. Liu can only take the bolt out of the middle bit by bit by relying on the long-term experience of taking the bolt.

In order to complete the removal of the two broken bolts as soon as possible, liu worked overnight, with a total rest time of less than 5 hours per day. The long construction also made the body extremely tired, but master liu still insisted on the site, and finally, with superb technology and excellent endurance, completed the removal of the two bolts.

This is the first time that the team of liu xiangqian is engaged in the business of taking off bolts outside the power industry