In a warehouse FIFO maintaining is great issue . Mainly in FMCG warehouse due to shelf life issue proper FIFO is important. As the warehouse mainly dealt with manpower ( labor ) :- 1. Bar code to keep proper tracking 2. FIFO maintaining person 3. Batch Code etc 4. Education qualification of labor is also important. 5. Extra checking point to ensure the same. But all are mainly cost centric. The easiest way to maintain FIFO is pallet. Use pallet with 2 side open not 4 side. If a pallet is being used with 2 side it will keep in a line. As 4 side opening is not there and 1 pallet back side is cover with 2 pallet, any worker or labour unable to move a pallet from sideways and mix and match will not took place. Materials Dated A coming first and dated B coming 2nd. Materials on pallet getting inserted and 2nd date 2nd pallet. Materials will get dispatch from back and no FIFO mismatch. A unique concept , test the same in the warehouse , you will get the benefitted. Sum...