Even more quality levels. Adjustable probability and scaling.
Small changes concerning balance, gameplay, or graphics.
Furnaces, assembling machines, production chains.
I changed the entire base to flawless, but the rocket launch station does not accept the blue circuit and low density structure in flawless.
Sorry for the late reply. This it because the rocket silo's recipe is locked to only normal ingredients by the game itself. There are two options for you with mods: Allow quality for rocket parts like https://mods.factorio.com/mod/quality-rocket-parts or get downgraders for rocket parts like https://mods.factorio.com/mod/quality-down-binning