... bucket or vacuum principle. (4)Mill system: There are double roll, three-roll, four-roll, five-roll, six-roll size to mill the material or assistant ... to mill. (2)Water storage tank: prepared the warm water for soak, mill, mix. (3)Mill machine: According to technology ... Wort material tank: pump the mixed wort material to mash system in according with the plan. the mill system for large brewery