Is this shift duty, a bridge and tunnel worker in Guiyang High-speed Railway Works Section?

Yes, all the lines and bridge workshops within the jurisdiction of Guiyang High-speed Railway Works Section strictly implement the 24-hour shift system, and the railway transportation production personnel who have to work day and night for transportation production also implement the shift system. Bridge and tunnel worker (maintenance) refers to the maintenance post of bridge and tunnel worker, mainly for dredging and jointing, doing some new technology repair work, and the rest is to know a little about carpentry, electrician and common machinery.