Shipment to a mill is a job that involves transporting ORE from one location to another. ORE is a naturally occurring mineral or rock that contains valuable metals or minerals. In this case, the ORE is being shipped to a mill, which is a facility that processes ORE into a usable form. The ORE shipment to a mill is an important part of the mining industry, as it allows for the extraction of valuable resources from the earth.