Semi-processed artificial resins; [ semi-processed synthetic resins; ] semi-processed plastic substances [ ; semi-processed acrylic resins; semi-worked vinyl sheets for use in manufacturing; semi-processed cellulose acetate for use in manufacturing a wide variety of plastic products; semi-worked synthetic plastic as semi-finished products in the form of films; plastic sheet materials in extruded form for use in manufacture; plastic film for packing, cushioning, or stuffing purposes, other tha...