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This technical analysis explores the integration of high-power fiber laser cutting systems equipped with zero-tailing technology in the fabrication of bridge trusses. By focusing on the elimination of material waste and the high-precision capabilities of fiber lasers—including integrated punching, marking, and cutting—industrial engineers can significantly reduce post-processing requirements such as grinding. The document outlines the mechanical advantages of multi-chuck systems and the metallurgical benefits of narrow heat-affected zones in structural steel applications.