Mineral processing in Tennessee, United States. Phosphate rocks are moved by a crane to a plant. The crane drops phosphorus rocks in the plant. They move on a conveyor belt. Views of exterior of the plant. The plant produces fertilizers. Molten metal is poured into a bucket. Two men, wearing eye gear, push a rope. Towers for generating power. Machines are used to break manganese blocks into sheets and then into pieces. They are packed into a container and sealed. A sign on the seal: 'Electro Manganese 99.9%'. Signs: 'Danger, High Voltage' and 'Interchange Bank 154000 Volts, Oil Circuit Breaker'. Towers seen. Machines are used to make aluminum sheets. Aluminum is broken down to make bombs. Aluminum passes through machines.
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