Interior shots: Three PAN left along machinery, rollers, inside plant. MCU of greyish bubbly substance on conveyor. MCUs of water sprayer with PAN down off edge. MSs of molten matter chipping out of bucklet. MS of smelter. MS of man in control booth. PAN right along room, similar shot with man out of booth and shutting light off. MS of smelter. TILT DOWN of flow of molten material, smelter pouring molten metal. TILT UP on smoke. MS of one worker sweeping platform. Various shots of smelting area with workers at work, smelter pouring molten metal. MCU back view of worker with safety helmet, followed by front view shots of worker.