The main character of the novel is a young man named Ivan, who is trying to find his place in a world that has been destroyed by war and chaos. He is a brilliant inventor and engineer, and he uses his skills to create new technologies and machines that can help people survive in this harsh environment. The book begins with Ivan's journey through the ruins of a city that has been devastated by war. He sees the destruction and devastation that surrounds him and realizes that the only way to survive is to use his technical skills to create new technologies that can help people survive. He begins to work on a machine that can purify water, grow food, and provide shelter. As he works on these projects, he meets other survivors who are also trying to find their place in the post-war world. Together, they form a community that is dedicated to rebuilding and creating a better future. Throughout the book, Ivan faces many challenges and obstacles as he tries to develop new technologies and machines. He must navigate the dangers of the war-torn landscape, avoid enemy soldiers, and find materials and resources to build his creations. Despite these challenges, he remains determined to succeed and make a difference in the world. He believes that technology can be used for good and that it can help people overcome even the most difficult situations.

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