/r/ManufacturingPorn: Manufacturing Porn - How Things Are Manufactured - Everything related that serves your obsession for manufacturing and industrial process. Inspired by Discovery Network's "How It's Made". - October 27, 2022 - 17:31
/r/toolgifs: Tool Gifs - Tool, machine, and manufacturing gifs. Sometimes entertaining, always educational. - October 27, 2022 - 11:00
/r/dontputyourdickinthat: dontputyourdickinthat - Don't do it! This subreddit is for things that are... well... not to be penetrated. - October 27, 2022 - 14:42