Gutta percha, indiarubber, balata and substitutes, articles made from these substances and not included in other classes; plastics in the form of sheets, blocks and rods, being for use in manufacture; materials for packing, stopping or insulating; all other goods in this class

Metal valves (other than parts of machines), pipe and tube couplings; parts and fittings in this class for metal valves; all other goods in this class