40 Custom prototype fabrication of new parts, components and models for others; custom manufacturing for others of parts, components and models for personal, commercial or industrial products, out of wood, metals, alloys, plastics, fibre plastics, polymers, rubber, glass, fiberglass, laminates, stone, tiles, ceramics, paper, cardboard, corrugated board, leather, textiles, cellulose and/or other materials; treatment of materials, namely, treatment of wood, metals, alloys, plastics, fibre plastics, polymers, rubber, [ glass, ] fiberglass, laminates, stone, tiles, ceramics, [ paper, cardboard, corrugated board, ] leather, [ textiles, cellulose ] and/or other materials to the order and specification of others