Rubber, gutta-percha, gum for use in the manufacture of packing and stopping material; asbestos in the form of felt and powder; mica and goods made from these materials and not included in other classes for use as a filler in the manufacture of plastics and electronic instruments; plastics in extruded form for use in industrial manufacture; packing, stopping and insulating materials, namely rubber, gutta-percha, gum, asbestos, mica, flexible pipes, not of metal; acrylic rubber, air hoses, ebonite vulcanite, fire hoses, fluoro rubber, garden hoses, natural rubber, neoprene, neoprene sheets and laminated neoprene sheets for further use in industrial manufacture, nitrile rubber, non-metal petroleum hoses, non-metal, plastic and rubber hoses for industrial applications, raw or semi-worked rubber, rubber bands for commercial and industrial uses, rubber bumpers for loading docks, rubber chips or granules for use as a playground ground cover, rubber derivatives, rubber for use in the manufacture of tires, cable, paper; rubber sheets, rubber tubes and pipes, silicone rubber, soundproofing materials for buildings, soundproofing materials for buildings and machinery, soundproofing materials of rock wool not for building purposes, styrene-butadiene rubber, synthetic rubber, synthetic rubber for use in the manufacture of tires, cable, paper, watering hoses