rior padding and waste commercial and residential carpets with or without backings, which is received in bales, includes high melting point polymeric fibers, eg. polyethylene terephthalate (PET) fibers and nylon fibers (Nylon) whose melting points are substantially above 200??? C. and at least of the order of 240??? C. Where the carpets have backings, the backings include such material as calcium