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For the currency in Game Boy Wars 3, see Materials (Currency).

Materials are an alternative to ammunition used exclusively by IconRigRed.png rigs and IconCarrierRed.png carriers in Advance Wars: Days of Ruin.

In the case of rigs, each rig has one material it can use to build a IconTempAirportRed.png Temporary Airport or IconTempPortRed.png Temporary Port. In the case of carriers, each carrier has four materials that are spent when creating a IconSeaplaneRed.png Seaplane.

Materials cannot be refilled by normal means and once the material has been expended it cannot be regained by the unit. The only exception to this is Greyfield's CO power, which resupplies all units, including materials.