6 TUBES AND TUBING, PIPES AND PIPING, HOSES AND HOSE PIPES, ALL BEING MADE WHOLLY OR PREDOMINANTLY OF COMMON METAL AND PARTS AND FITTINGS THEREFOR
17 TUBES AND TUBING, PIPES AND PIPING, HOSES AND HOSE PIPES, ALL BEING MADE WHOLLY OR PREDOMINANTLY OF ASBESTOS, PLASTICS, RUBBER, SYNTHETIC RUBBER OR OF COMBINATIONS OF SUCH MATERIALS AND PARTS AND FITTINGS THEREFOR