Covers the history of the SR-71 development from conferences, through assembly, to operational flights of the aircraft, United States. SR-71 in flight during night. Officers discuss SR-71 towed at night. Photo interpreters view reconnaissance film. SA-71 takes off.
Work on the 'Big Inch' pipe line in the United States. Engineers work and lay the oil pipeline. Engineers on small boats in the river. Vehicles pass along the sides of the river. Engineers plant dynamite in the river to make way for laying the pipeline. Explosion in the river. Splashes in water.
World's largest synthetic rubber plant in the United States. Men stand near a railway track. Men stand on a huge rubber tank. Exterior of the rubber factory. Workers stand in a line outside the factory. Interior of the factory and the production process of the synthetic rubber. Men examine sample of rubber produced.
Safety measures while handling tools, United States. Worker leaves shed with tools in hands. The supervisor examines the cold chisel with the head spreading out. He sends the worker back for another chisel. The worker gets inside the shed and brings a ladder for correcting. Supervisor instructs him about the correct way of carrying it. He also instructs the worker about the correct method of carrying tools. They should point towards the ground, not over shoulder pointing at others.
Safety measures while handling tools, United States. Worker wearing gloves operating a drill press. Supervisor instructs him to remove the gloves while working on drill press. Worker removes gloves and replaces them as soon as supervisor leaves. Gloves caught in the press. The worker's hand gets injured.
Safety measures while handling tools, United States. Worker holds screw driver in hand and tightens a screw. Other tools on a table. The screw driver slips. The workers hand gets injured. Blood from the cut.
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