How to make it
Made at: Простой горн
How to unlock
Unlocked when you reach the Safe House.
The Fine Industry talent lowers every ingredient amount by a quarter, rounded up. All talents
Research Table
Reveals research
Moving this item in your inventory, for example picking it up, adds this project to the Research Table list. A copy you installed or used up earlier does not count; if the project is missing, move another copy (details).
Used up by research
Finishing this project uses it up.
How the Research Table works
Usage, sources and unlocks
Медная руда 
Медный слиток