The arc temperature produced in welding is above 4,200 degrees Celsius, and people cannot look straight at it with the naked eye. [Photo by Chen Weisong/China.org.cn]
47-year-old Wen Suxia has worked as a welder at a railway company in Shijiazhuang, Hebei province for nearly 30 years. She rose from an unknown apprentice to a trained expert who is quite well known in the trade.
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