Rows,greatly increasing storage density.the shelving rides on a rail structure so that aisle can be created only when a product needs to be accessed.
•case flow racks.these are inclined shelving racks of various depths.these present a large number of items in a short distance.products are replenished at the raised back of a shelf,and they flow through the rack structure on rollers propelled by the force of gravity.products are retrieved at the lower front end of the shelf.this type of module is widely used in order packing.