Filling and Emptying Inventory Published on August 1, 2014 in Theory and Practice on FiFo Lanes – How Does FiFo Work in Lean Manufacturing?Full resolution (775 × 518) Filling and emptying inventory Illustration of Filling and emptying inventory. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.