Beams made of timber; beams made of wood; beams, not of metal; non-metallic beams for building purposes; non-metallic building materials, namely, floor trusses, floor beams, roof trusses, beams for roof frames, beams for wall frames, structural beams, beams for flooring; blocks made of non-metallic materials for building purposes, namely, wood blocks; non-metallic composite boards, namely, boards of wood, plywood boards, wood pulp board for building, non-metal composite panels for constructio...