Various tests being conducted at the Wright Air Development Center in Ohio, United States. A pilot under goes a reaction test as he moves up and down on a vertical accelerator. Another pilot undergoes a test on a vibration table. A breathing apparatus checks for effect on pilots' lungs. A pilot wearing a MC-2 full pressure suit inside a heat chamber. The pilot being tested under extreme temperature and pressure conditions.
Lumbering in Idaho in the Northwestern United States. A forest covered mountain. Animation of a map depicts national forest area. Men cut pine trees. Logs are carried in trucks. White Pine logs are made wet for lumbering. Wooden boards are sorted. A man piles them for drying.
The Midwestern United States. View of a lake. Dairy cattle graze on a pasture land. A barn in a farm. Farm harvesting machinery in operation. A grain elevator. Cattle in stock yards. Freight rail cars in a busy railroad marshaling area used for transportation. Men work in steel mills. Men on an assembly line building farm tractors. Aerial view of Chicago skyline and skyscrapers. Automobile traffic including cars, trucks, and buses on a roads of Chicago.
The Midwestern United States. Men harvest corn. Corn transported in a tractor. Hogs in a stockyard. Corn is processed in industries. Soybean is harvested in a field.
A dam generates power in Tennessee, United States. A dam on a river in the Tennessee Valley. The architecture of the dam and its power plant. Generators in the power plant.
A dam is constructed under the Tennessee Valley Authority (TVA) in Tennessee, United States. A blast. A crane in operation. A dam and a bridge over the Tennessee River. Workers work on construction of a dam. A section of a huge pipe. Gravel is unloaded from a drum. Workers work on gravel with equipment. The dam generating electrical energy. Huge power plant towers.
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