Damage from race riots in Watts section of Los Angeles in California. Destroyed buildings along the sides of a street in largely African American area of Los Angeles. Buildings set on fire. Heavy smoke columns arising out of the fire. Soldiers walking with arrested men. Troops walking with rifles. Rubbled buildings and houses. A car passing on the street. More troops coming out of a bus in the area. A helicopter hovers over the area. Cars parked on the street. Troops patrol the area.
The Professional Golfers' Association (PGA) Championship in the United States. People gather in a large number at the golf course to watch the championship. The golfers playing the strokes. David Francis "Dave" Marr wins the championship. Dave Marr poses with his trophy and the prize check.
Film opens showing interior of the Ford Rouge River steel plant, with large crucible being lifted vertically on an overhead conveyor system from where it is tilted and emptied. Next, another container of molten steel is seen being emptied, raising a huge amount of fire and sparks, which soon disappear. Closeup of an overhead crane moving, connecting to stubs on the ladle, and carrying it toward the camera. Change of scene shows a ladle of steel being poured into what appears to be an ingot mold. An empty crucible moves by conveyor, is refilled again, and moves away to deliver molten steel.
In opening scene, a special train carries hot ingots from the Ford Rouge River steel plant. Then,scene shifts to inside the plant, where hot glowing ingots of steel are being raised from a storage area and carrried by overhead crane to a rolling mill. Closeups of the ingot passing through rolllers and descending along a gravity conveyer to another set of water-cooled rollers for further shaping.
At beginning, film shows a man feeding a bar of steel into a cutter. On the opposite side, a man handles the cut pieces. Next a man (unseen) uses a tong to move a hot piece of steel from a small furnace. He places it into a form where a machine then presses it to produce curved part. The operator (hands seen only) uses tongs to place the part into another machine that shapes it into a disk. The operator (now seen) uses tongs to put the disk into another machine that hot stamps it into finer shape. The man holds it for a closeup by the camera. Next, the same part is held by the man after further machining. It now has nine holes around its circumference. The part is then processed in a gear cutter and shown in closeup as a finished bevel gear.
At start, grinders are seen operating cooled by liquid sprayed at the tool faces. Closeups of grinding wheels in operation on creating a crank shaft. Scene shifts to worker operating a multiple milling machine. Closeup shows a cam shaft being milled with cooling oil flowing over the work surfaces.
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