Steel processing (research)

File:Steel-processing.png Allows to process steel from iron and creation of basic steel items.

Cost:	5 File:1-science-pack-1.png X 20
Requires	File:Iron-working.png Iron working
Effects:	File:Steel-bar.png Steel bar File:Steel-chest.png Steel chest File:Steel-axe.png Steel axe
Allows:	File:Armor-making-2.png Armor making 2

Technology tree