致敬奋斗者｜不为繁华易匠心，他们用责任和敬业书写工匠答卷

Core Viewpoint - The article emphasizes the importance of craftsmanship spirit in the development of the nation, highlighting the need for skilled workers and the promotion of excellence in various industries [1]. Group 1: Craftsmanship Spirit - Xi Jinping elaborated on the scientific connotation of craftsmanship spirit, which includes dedication, pursuit of excellence, meticulousness, and striving for perfection [1]. - The article calls for the cultivation of high-quality technical and skilled talents, as well as master craftsmen [1]. Group 2: Case Study of Tian Bo - Tian Bo, a chief researcher at the Ministry of Transport's Highway Science Research Institute, has dedicated 24 years to researching road infrastructure in the Qinghai-Tibet Plateau, overcoming challenges posed by high altitude and harsh conditions [3][5]. - His research on high-altitude concrete has led to significant advancements, allowing infrastructure like roads and airports to last up to 50 years with reduced maintenance [3][5]. - Tian Bo's team is also addressing the issue of unstable permafrost roadbeds, proposing innovative techniques to enhance foundation strength without melting the permafrost [10]. Group 3: Contributions of Other Skilled Workers - Yang Yongxiu, a senior technician at China FAW Group, has achieved remarkable precision in manufacturing electric drive components, contributing to the development of domestic V12 engines and holding 18 national patents [13][15]. - Other skilled workers, such as Wang Qiufeng in nuclear fuel cycle technology and Yi Songtao in aircraft maintenance, have made significant contributions to their respective fields, enhancing China's technological capabilities and reducing reliance on imports [19].