Permutador Metalurgico Metallurgical Exchanger
Supported versions of minecraft

It is a map based on the "Permutador Metalurgico" built by ElRichMC but except for the redstone mechanism that makes the iron rise and fall. This structure does not exchange minerals as such, serves as a wharehouse of any type of item, usually used in iron and can store 51 million items(In stacks)