Asphalt, pitch and bitumen; non-metallic building materials; concrete sleepers, especially concrete rail sleepers and concrete rail point sleepers; concrete building elements; railway sleepers, not of metal; masts (poles), not of metal, especially masts, not of metal, for electric power lines; rigid pipes, not of metal (building); posts, not of metal; cement slabs; non-luminous and non-mechanical signs, not of metal; transportable buildings, not of metal

Building construction; building, construction of rail-track systems (ballastless track systems) on concrete and asphalt surfaces; installation services; installation, maintenance and repair of machines; repair of railtracks and track systems