It’s a stacking system in which products of the same size and content are placed in the canals one after another. The products can move in line with first in last out (FILO) or first in first out (FIFO) principles.
It’s preferred in warehouses in which product circulation is low and product range is low. It’s an example of an efficient warehouse system in which 85\% of the storage area can be used.
Area use is at maximum level since there is no space between the units and there is only one loading area. It is important to choose high-rack frame sections in earthquake zones.