Plastics in extruded form for use in production, including in the manufacture of the following products: shrinkdown plastic tubing, roller coverings, corrugated tubes, lighting tube coverings, fibre-glass cloths, sweatbands, bags, fibre-glass conveyor belts, fibre-glass mesh fabrics, fibre-glass laminated plates, yarns, fabric articles, bellows, feed nozzles, welding and soldering wire of plastic, welding wire and welding film of plastic, plastic liners, gaskets, fluoro-plastic coatings, semi...