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New Mexico: Magnet picking up pile of tin cans and dropping in water. Man spraying water on tin. Water flowing. Shot of a pile of copper ore. Shots of copper ore factory. Ore being dumped into crushing machine. Copper ore processing machine spinning, creating a powder. Man putting ore into a furnace. Ore is being poured into a mold. Man moving copper bars. Man replacing copper wire on early telephone system. 1950's cars driving on freeway. Panning shot of electrical wires.