Bill details the key engineering principles underlying plastic injection molding. He describes its history and, then, reveals the intricate details of the process. He shows viewers where to found, on any injection-molding product, the markings created by injection molding. He closes with a description of the one of the finest examples of the injection molding: the Lego brick.
Reveals how modern science and technology have made possible the development of new artificial fibers for making textiles -- specifically rayon and nylon. Portrays some of the processes used in making these fibers, ways in which they are useful to man and characteristic of the textiles made from them.
Aircraft Carrier Ambush
