Responsibilities include operation of kettles, unloading of raw materials, packaging of finished products, preparing and maintaining process records, sampling and quality testing, and other general production activities or any other duties as directed by site manager. Starts pumps and agitators, turns valves, or moves controls of processing equipment to admit, transfer, filter, or mix chemicals, or to drain specified amounts of materials, impurities, or rating agents to or from equipment to prepare or further process materials.