19 Reinforcement rods, not of metal in the nature of non-metallic reinforcements for concrete and wood building constructions, namely, plates, rods and bars; space frame modular units, not of metal; pre-fabricated non-metal buildings; concrete building elements in the nature of concrete walls for building, prefabricated concrete parts for erecting building works, pre-cast concrete wall forms for use in urban civil engineering; construction elements of plastic in the nature of braces, supports, cantilever plate joining elements; building and construction materials and elements, not of metal in the nature of braces, supports, cantilever plate joining elements; non-metallic building materials and building components in the nature of auxiliary building materials for reinforced concrete and masonry construction, namely, spacers, distance pieces for reinforcements, connecting pieces, namely, adapter sleeves for structural sleeves and connecting sleeves for crimp pins or keyed joints of structural steels, air space anchors, wall cramps for facades and for insulating material, insulating connecting pieces; non-metallic prefabricated building components in the nature of prefabricated concrete parts for erecting building works; non-metallic prefabricated building elements in the nature of prefabricated concrete parts for erecting building works for on site assembly; concrete building materials, namely, blocks, bricks, posts, slabs, panels; building materials of concrete reinforced with plastics and glass fibres, namely, blocks, bricks, posts, slabs, panels; fiber reinforced plastic construction materials in the nature of fiberglass board, fiberglass panels; building materials made of rock fibres in the nature of precast wall elements; building materials of plastics material in the nature of precast wall elements; fireproof seals in the nature of building materials; refractory construction materials, not of metal; non-metallic building materials having acoustic properties in the nature of precast wall elements, insulating connecting pieces; partitions being non-metallic building materials; reinforcing materials, not of metal, for building; non-metallic structural reinforcement for construction purposes; concrete walls for building; expansion joints of non-metallic materials for use in construction; non-metallic building facade elements; non-metallic monocoque buildings; non-metallic modular units for constructing prefabricated buildings; non-metallic beams for building purposes; framework, not of metal, for building; non-metallic building sections in the nature of precast concrete wall elements with reinforcing elements of fiber composite material; non-metallic structural sections for construction purposes in the nature of precast concrete wall elements with reinforcing elements of fiber composite material; reinforcing mesh made of textile fibres for construction purposes; non-metallic modular building units; non-metallic building materials in the nature of rock, crystal, fly ash, fiberglass; non-metallic structural frameworks for buildings; non-metallic reinforcing fabrics for building