/r/megalophobia: Megalophobia: Fear of Large Things - A place to post images of all things large, particularly ones that are "triggers" for those with megalophobia. - December 26, 2022 - 22:15
/r/windturbines: windturbines - Anything and everything concerning wind turbines. - December 26, 2022 - 14:08
/r/MachinePorn: MachinePorn: I think my driveshaft just got torqued. - High quality images of machines and machinery. - December 26, 2022 - 13:47
/r/toolgifs: Tool Gifs - Tool, machine, and manufacturing gifs. Sometimes entertaining, always educational. - December 26, 2022 - 13:46