Hey greg, I tried making annealed copper in the smelter and it works just fine except it is unexpectedly very slow (takes multiple seconds per ingot in a 2048HU/t powered smelter) I looked at the recipe and did the math and it should take 2.6 game ticks to produce an ingot, I figure it is bottlenec…

And fixed, added 8 16 32 and 64 Parallel Processing to the Tiers of it.