Rooted in the industrial atmosphere of early 20th-century America, Hine captures a scene defined by precision and endurance. A labourer is shown tightening a bolt on a towering steam pump, his posture coiled in focused exertion. The composition is governed by strong contrasts in tone and the interplay of form—circular steel machinery encases the figure, while the angularity of his stance and the wrench he grips create visual momentum. The subject’s muscular frame, shown with sharp definition, draws attention to the physical demands of his role. Rather than depicting labour as faceless or mechanised, Hine isolates the worker as a figure of resilience and determination, offering a clear portrayal of industrial life.