Semi-finished products, namely, semi-processed polyamide in the form of laminated sheets and films, sheets, panels and sandwich-panels for use in manufacture; semi-finished products, namely, laminated sheets and films, sheets, panels and sandwich- panels made of woven fiber, non-woven fiber or fiber reinforced composite materials, not included in other classes, namely, carbon fibers not for textile use, chemical fibers not for textile use, glass fibers for insulation; polyamide and polymer resin film for use in manufacture; fiber tape for use in manufacture, namely, unidirectional tape consisting of glass, carbon, quartz, metallic, woven fabric, non-woven fabric, and combinations thereof for industrial and commercial use; semi-finished products in the form of polymers and blends of synthetic and natural polymers made up of repeating amide groups, namely, semi-processed artificial resins for use in manufacture; semi-finished products in the form of polyamides, polymers and blends of synthetic and natural polymers made up of repeating amide groups, namely, semi-processed synthetic resins for use in manufacture; none of the aforementioned goods being high-friction semi-finished products for industrial and commercial use