My favorite is TPAI https://www.youtube.com/c/ThePostApocalypticInventor https://www.youtube.com/c/ThePostApocalypticInventor He has a very interesting series

My favorite is TPAI https://www.youtube.com/c/ThePostApocalypticInventor https://www.youtube.com/c/ThePostApocalypticInventor He has a very interesting series of videos on repairing a wide variety of things he buys from scrapyards in Germany.