Fu Chao checks the fuel tanker of an aircraft in Jinan, east China's Shandong Province, April 27, 2020. Fu, 40, has been an aircraft maintenance engineer for 15 years since his graduation from university. Meticulous and hard-working, he became a highly-skilled engineer in Taikoo (Shandong) Aircraft Engineering Company Limited. Fu's team is able to maintain over 40 planes every year. (Xinhua/Zhu Zheng)
