A furnace doesn't just output cold usable results. You need to wait for them to cool down.
Mods introducing new content into the game.
Furnaces, assembling machines, production chains.
way too much work to implement, unless it's not, but putting the plates in the mouse cursor and waving it around violently should cool off the plates faster IMO
like i said just a thought
lol How about blowing them to cool down?