... hReciprocating vertical knife is used to cut the sliced vegetable chip or soft vegetable(like leek)into straightslivers,segments,curvyslivers,squre cubes ... width of sliver.Note that when the diameter of vegetable to cut is large (more than 30mm),slicing effert ... ,for small diameter ,the sliced chips and cubes will be unorderly,the processedsurface of the vegetable is smooth,regular,perfectly organized ...