> For the complete documentation index, see [llms.txt](https://doc.loadmaster.biz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.loadmaster.biz/4-ui-and-terminologies/4.9-pallet-rules/4.9.1-maximum-negligible-height-difference.md).

# 4.9.1 Maximum negligible height difference

The height of each layer will be unequal due to the different cargo sizes. Therefore, the user needs to define the acceptable maximum height difference of each layer of cargoes in advance, which is the \[Maximum negligible height difference].

![](/files/-ME1HIxnIR0CaVMNOIEs)