Deli machines are a type of food preparation equipment used in delis and other food service establishments. They are typically used to slice meats, cheeses, and other food items. The most common type of deli machine is the slicer, which uses a rotating blade to cut food into thin slices. Deli machines are also used to shred, grind, and mix ingredients. They are an essential part of any deli or food service establishment, as they allow for quick and efficient food preparation.