Make Angel's smelting recipes the best way by disabling direct ore smelting in furnaces. It forces you to go in the advanced metallurgy path. Need angel's smelting.
Tweaks
Mod category: Tweaks
Small changes concerning balance, gameplay, or graphics.
hardcore solder smelting option doesnt work with angel tech overhaul
with angel tech overhaul enebled need solder to get red science analyser and with hardcore solder option need carbon to make solder
but for carbon tech you need red science analyser so no way to progress with hardcore solder option enabled