Gold Refining Systems - SAFE & SIMPLE - Machines and .
This direct and indirect wet processing suppliers list always describes the current status of our active business relationships and controlled with our standards at the date mentioned. This list of 717 mills will increase with time and, like any large database fed by several business entities, errors can creep in.What is the use of gold in Civilization 4? . Coins, or gold pieces, are the only way to upgrade your combat units to more modern versions (i.e. Archer -> Longbowman). You can also use coins for trading with other civilizations, e.g. in exchange for technologies, resources, maps, pacts etc. . Coins are also required for combat units upkeep .