Leftover material from copper extraction or processing operations.
Industrial WasteMetalByproduct
Current best complexity is 38:
Copper Residue can be discovered in Concepts, categorized under Industrial Waste, Metal, Byproduct. Leftover material from copper extraction or processing operations.
It has been discovered by 1 board and crafted 1 time, first appearing 15 hours ago. Copper Residue can be created from 1 recipe, and goes on to appear as an ingredient in 6 others.
Copper Residue was first discovered by Marko's board 15 hours ago. They also hold the lowest-complexity recipe, at 38.
Related concepts worth exploring include Ash, Titanium, Slag, Steel, Iron, Gold, and 6 more.