Small changes concerning balance, gameplay, or graphics.
Augmented or new ways of transporting materials - belts, inserters, pipes!
How hard is it to make this mod work with other belt mods? (Advanced Belts)
Should be rather easy, I'll just have to take a look at how advanced belts formats its tiers/items. Hopefully in the future adding tiers and items and colors will be all unified into an API, but I'm a ways off that haha