Add Double Furnaces, which smelt iron ore directly to steel.
Mods introducing new content into the game.
Furnaces, assembling machines, production chains.
can you separate research for steel double furnace and electric double furnace?
because on current version, i have to reach blue research pack to research double furnace.
What requirements would you recommend for unlocking the steel double furnace?
Maybe you can make steel furnace as a required technology?
It has been done with version 0.5.0
