Alternative Recipes and their cost

"And that's the coal stuff done," Theo muttered to himself as he placed the very last forge in the line.

By now, the output of coal ingots finally reached the level at which he could produce a satisfactory amount, easily capable of covering the requirements for all the production he envisioned.

The great majority of it would go towards the reinforced steel beams, the one material Theo believed to be most important in his current situation. After all, contrary to the other steel products that were mostly used for lower-tier stuff, buildings, or some higher-level parts, the reinforced steel beams had to be produced at a rate that wouldn't choke Theo's expansion and upgrade plans.