POLCA Overload Published on July 23, 2018 in Advantages and Disadvantages of POLCAFull resolution (693 × 987) POLCA Overload Illustration of uneven loading possible in POLCA, one station is overloaded, the other is idle. 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.