SMELTER SUPPLY is a job that involves supplying ORE to a smelter. ORE is a naturally occurring material that contains valuable metals or minerals. The ORE is then processed in a smelter, which is a facility that uses heat and chemical reactions to extract the valuable metals or minerals from the ORE. The ORE supplied to the smelter must be of a certain quality and quantity in order for the smelter to produce the desired product. The job of SMELTER SUPPLY requires knowledge of the types of ORE available, the quality of the ORE, and the quantity needed to meet the smelter's requirements.