Material

Materials are used in the construction of buildings, to the operation of machines. Many materials start out as raw materials, and eventually you will end up with top tier materials, that are necessary to build those extravagent and powerful buildings further down the road.

Timber
Requires: Wood

Brick
Requires: Stone & Clay

Glass
Requires: Sand

Iron
Requires: Timber & Iron Ore

Gasoline
Requires: Oil & Coal

Kerosene
Requires: Oil & Coal

Asphalt
Requires: Oil & Coal

Plastic
Requires: Oil & Gas

Steel
Requires: Timber, Oil, & Iron