Force back again pallet racking systems are perfect for: Warehouses that require selectivity of selective racking, but flexibility and substantial-density storage of drive-in pallet racking. Downsides: Not ideal for normal pallets, demands far more horizontal Room and specialized forklifts for very long items. More rapidly storing and retrieving of large, very https://sites.suffolk.edu/connormulcahy/2014/02/13/lego-mindstorm-experiment07feb14/pulley/#comment-408869