Factories And Industry, USA

Smoke and steam from factory smokestacks, inside industrial complex, red hot molded metal flowing, iron and steel making process, white hot metal ingots, hammer mill shapes metal ingot, metal cutting, rolling mill. Turn of century oil field derricks, railroad tank cars, roustabouts and roughnecks oil field workers working on oil drilling rig. Scene of a hydro-electric dam, flow of water, high voltage electric transmission towers and wires, aerial view of electric generating facility, fuel oil and gasoline tanks and piping, industrial plants, coal miner swinging pickax in coal mine shaft, mine cars bring material to surface, miners dumping cars, men and women working with machinery, workers wiping sweat from face, machinery and tools being used.