I don't believe there really is an official Original 8 teams. The NFL began as the American Professional Football Association or APFA. It began with 14 in 1920, two of which (the Decatur Staleys and the Chicago Cardinals) are still around, as the Chicago Bears and the Arizona Cardinals.
A textile is anything that is made up of fibers, yarns, or fabrics. The basic building blocks of textile products are fibers.
A swage block is made of cast iron (a metal inferior to steel) and is used for finish sizing hot work that has been forged on the anvil and to shape by bending or for forming sheet metal. High quality swage blocks are made of ductile iron or low carbon cast steel.