Ultimate Factories: Caterpillar - DVD

Covering more than 300,000 square meters, the John Deere factory houses more than 2000 employees, 49 robotic welders, eight laser cutters and 14 kilometers of overhead track, all of which help stamp, press, cut and weld 60,000 tons of steel into the John Deere STS Combine a harvesting mega-machine. When the combine has been assembled and is ready for painting, it undergoes a seven-hour process to receive the trademark John Deere green c

What does it take to build the "ultimate driving machine"? See firsthand how cutting-edge robot labor and human touch combine to craft a $45,000 BMW Z4.

The Chevrolet Camaro has been a classic "muscle car" for more than 40 years, but what does it take to build a classic car with 21st century technology? Now, after seven years off the factory line, Chevy is reintroducing the 2010 Camaro SS. National Geographic visits the 8.5-million-square-foot factory--one of the largest auto plants in the world--where the car is stamped from cold raw steel and assembled by high-tech, precise robots and