Mechanic in the post-apocalypse MPA

A mechanic from the future found a couple of old interesting artifacts, and got into a post-apocalyptic world.
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I noticed that some readers did not quite understand the direction of my book. In this story, there will not be a lone traveler who is trying with all his might to survive in the wasteland by collecting garbage and making tools out of it, no, this story will be more about the development of the faction and the war between them.
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The cover doesn't belong to me
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For those who want to support me. I warn you right away I will not have paid content, like extra chapters