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MW of a woman poking her head out of a second story window. She opens…

On a firm that makes “christmas trees,” a nickname for a part of an oil…

Begins with WS of a bridge in Seattle. Ray Woods removes his pants and…

Shows the construction of a gas pipeline to link Northern California…

Ohio: clay pipe factory. Vitrified clay sewer pipes. Dry clay is…

This clip has footage of universities in Indiana from the 1940s,…

A corn mill. CS man shoveling huge pile of corn. Line up of several…

New Mexico. Lack of water. Field men for the water conservation…

The making of steel tubing at a Pennsylvania steel plant. Cylinder…

This clip shows different objects and a man holding a fake snake. MS of…

Washington. Giant rolls of sheet aluminum in a plant in Spokane,…

California: A water pump that pushes objects through pipes. Live…