19 Profiles in the nature of floor boards, wall boards, and ceiling boards, mouldings, strips in the nature of floor boards, wall boards, and ceiling boards, planks, boards in the nature of floor boards, wall boards, and ceiling boards, all of the aforesaid goods, not of metal, for building; manufactured timber; worked laminated building timber; worked veneer building timber; floors, not of metal; floor tiles, floor boards and floor panels, not of metal; floor tiles, floor boards and floor panels of wood, laminate, wood substitute materials, plastic, leather and/or other materials, not of metal; floor tiles, floor boards and floor panels of wood, laminate, wood substitute materials, plastic, leather or other materials, not of metal, fitted with integrated locking elements; tiles, boards and panels, being wall and ceiling coverings of wood, laminate, wood substitute materials, plastic, leather and/or other materials, not of metal, fitted with integrated locking elements; locking elements, not of metal, for plates, boards and panels being wall and ceiling claddings of wood, laminate, wood substitutes, plastic, leather and/or other materials