A simple outline of the plot clues of the novel "How Steel was Tempered"

"How Steel Was Tempered" was a Russian novel that mainly described the transformation of the protagonist, Pavel Kochagin, from a worker to a professional revolutionary during the Soviet Union's industrial period. At the beginning of the story, Kochagin worked as a worker in a small factory in his hometown of Ukraine, but he soon found that the local industrialization process was slow, and the life of the workers in the factory was very difficult. In order to change his fate, he began to learn steel manufacturing technology and actively participated in the workers 'movement, gradually growing into a professional revolutionary. Under his leadership, Kochagin and other workers organized strikes and boycotts to promote the development of the Soviet Union's industrialization. In the process of industrialisation, Kochagin experienced many difficulties and challenges, but he always adhered to his beliefs and principles and eventually became an outstanding professional revolutionary and leader of steel workers. The whole story revolved around the growth of Kochagin and the revolutionary struggle. At the same time, it also showed the process of the Soviet Union's industrialization and the social background of that era.