17 ASBESTOS FIBER AND SHEET MATERIAL AND ASBESTOS YARN, THREAD, CLOTH, FABRICS AND TAPES; FOR USE IN MANUFACTURE OF BRAKE RIBBONS, CLUTCHES, FRICTION PLATES AND LININGS, WASHERS AND PACKINGS, ELECTRIC ISOLATIONS, REINFORCING MATERIALS, COVERING MATERIALS, PROTECTIVE CLOTHING, DIAPHRAGMS, FIRE EXTINGUISHING BLANKETS, CURTAINS, COMPENSATORS, UPHOLSTERINGS, TUBES, AND WELDING CLOTHS