Interior sequence in aluminum smelter showing man checking large balance, finely crushed ore on conveyor, man hosing down screen, other man checking flotation bate. CU of ore mixed in water moving through helical drive. Shot of man checking furnace through porthole, large crucible full of molten aluminum baing hoisted up past camera. CU of goggled smelter worker. Sequence showing men removing still hot ingots from turning mould table, stacking them. Shots of fork-lift truck stacking gleaming ingots. HASs of men leaving plant at end of shift. Shot of hopper cars pulled by diesel locomotive moving past camera and smelter. CU of aluminum ore falling into hopper. Shot of man prodding ore with long pole.