machines and apparatus for the manufacture and treatment of textiles, yarns, fibers and threads; namely, steamers comprised primarily of steaming chambers, cooling chambers, heating coils and bars, humidifiers, dryers, vacuum pumps, plumbing fixtures, armatures and ventilators, and component parts therefor; sterilizing, disinfecting and drying units for preparing textiles, yarns, fibers and threads for further use in the textile, medical and food processing industries, and component parts the...