Adds new by-products; slag and tailings which can be reprocessed into raw materials. - NEW - now with Angels Refining support - Smelting ore generates slag - Process slag into useful materials - Processing nuclear materials produces tailings which also need to be processed - Further research improves slag processing - New slagblock option - mining ores produces a configurable amount of slag, from 5% to 95%. - New spaceblock option
Mods introducing new content into the game.