Certified Anesthesiologist Assistants and certified registered nurse anesthetists are both defined as non-physician anesthetists within the Centers for Medicare & Medicaid Services section of the Code of Federal Regulations. 2. What is the origin of the Anesthesiologist Assistant profession?
1 The first man-made fiber. 2  The first commercial production of rayon fiber in the United States was in 1910 by the American Viscose Company. 3  By using two different chemicals and manufacturing techniques, two basic types of rayon were developed. 4  They were viscose rayon and cuprammonium rayon.
Wood and bones are two good examples of natural composites. Hemicellulose and lignin act as the polymer matrix in wood, while the cellulose fibers act as the filler. Fiberglass is an excellent example of a man-made composite.