Board Thread:Suggestions forum/@comment-2601:154:100:45BB:3C89:6E:B77A:C453-20180712172728/@comment-35456756-20180725224028

I think he means a Pulley System. In such an expansive mine, they would be used for transporting mined materials to the forge without having to carry it up stair and through hallways. So... are you asking for a type of Ender Chest, or a verticle type of Minecart and Track?