rubber, gutta percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded from for use in manufacture, packing, stopping and insulating materials, flexible pipes, not of metal

hoppers machines; chutes parts of machines; pulleys parts of machines; conveyer belts, pulleys parts of machines; screens machines and parts of machines; washing drums, grinding machines; cyclone coolant purifying machines; cyclones for particle collection in grinding operations; machines and machine tools; motors and engines- except for land vehicles; machine coupling and transmission components- except for land vehicles; agricultural implements other than hand-operated; incubators for eggs