Worker Using a Lathe in an Aircraft Plant

The video provides a pictorial review of weekly events in business and industry, presented by the National Association of Manufacturers. It highlights the United aircraft plant in Hartford, CT, known for producing Pratt Whitney engines and Hamilton standard propellers. The video details the meticulous process of manufacturing propeller blades, including turning the steel core and using a stretching machine to lengthen and thin the hollow core.

What are the key components produced at the United aircraft plant mentioned in the text?

How does the manufacturing process ensure the uniformity of the propeller blade's thickness?