If you are using other mods like Industrial craft, it would Lorsque up to those mods to recognize this mod and its devices, as Brigadon has suggested. I always made gunpowder a furnace fuel and 9 arrows craft into année iron nugget. Rollback Post to Revision edit2 : and even https://cashvfatf.win-blog.com/14650420/un-impartiale-vue-de-libre