Alloy
From SimCity Wiki
Alloy is one of the 10 commodities traded on the Global Market. It is produced by combining coal and ore in Alloy Furnace of a Smelting Factory. Alloy can be used to produce processors and computers. It is also used in the construction of all the Great Works projects.
Alloy is a product of Mining specialized city. In addition, it is an important resource in Electronics specialized citiy