42 Engineering services in the field of construction; conducting engineering surveys in the field of construction, pre-stressing and cable structures; conducting engineering surveys for buildings and restoration of works of art and civil engineering; consulting services in civil engineering and industrial engineering in the fields of soil stabilization and sanitation; consulting in civil engineering and industrial engineering in the fields of sealing and protecting against fire and rust; consulting in civil engineering and industrial engineering in the fields of asbestos disposal, and all kinds of decontamination of soil and buildings; conducting engineering surveys of common metals and their alloys, metal building materials, transportable buildings of metal, materials of metal for railway tracks, non-electric cables and wires of common metal, ironmongery and small items of metal hardware, pipes and tubes of metal, metal products, ores, prefabricated construction elements of metal, metal structures for stabilizing the earth by means of mechanical effect, structures of metal for earth retention, retaining walls of metal, reinforcing materials of metal for building civil engineering structures, building panels of metal, panels of metal for forming a cover for mechanically-stabilized land structures, and panels of metal for forming a cover for earth stabilization structures by means of mechanical effect; conducting engineering surveys for machines and machine tools, machines and apparatus for construction purposes, public works and carrying out works of art restoration and civil engineering works of all types, machines for measuring the tensile stress applied by a pre-stressed bar, machines for measuring the strain of pre-stressed or reinforced concrete, machines for measuring the strain of steel wires, cables and strands or the like in motion or not, excavators used for digging trenches or for making walls in the ground, and machines for injecting products into the ground; conducting engineering surveys for non-metal construction materials, non-metallic rigid pipes for construction purposes, asphalt, pitch and bitumen, non-metallic transportable buildings not of metal, prefabricated construction elements not of metal, non-metallic materials used for building civil engineering structures, non-metallic structures for stabilizing the earth by means of mechanical effect, non-metallic structures not of metal for earth retention, retaining walls not of metal, non-metal reinforcing materials not of metal for building civil engineering structures, non-metallic panels not of metal for forming a cover for mechanically-stabilized land structures, panels not of metal for forming a cover for earth stabilization structures by means of mechanical effect, concrete panels for construction purposes, concrete blocks, non-metal blocks, panels, chambers, tanks and silos for building civil engineering structures, and products for injection into the ground, especially mud slabs; conducting engineering surveys for building construction services, public works, works of art restoration, civil engineering structures, excavations, drilling of piles, wells, trenches, enclosures or tunnels, services for construction, repair, maintenance, and demolition of buildings and civil engineering structures, construction, maintenance and repair services for roads, tracks, runways, bridges, bridge abutments, stabilized land structures, earth stabilization structures by means of mechanical effect, earth stabilization devices, earthworks, retaining walls, dikes, tunnels, gutters, chambers, retention basins, reservoirs, silos and historical monuments, waste processing facilities, construction, maintenance and repair services for nuclear fuel production and enrichment facilities, for materials used for shielding and absorbing neutrons, disassembling and renewing of nuclear facility infrastructure, especially electrical equipment, ventilating engineering equipment and wastewater treatment engineering equipment, services for ground injection of products, especially with a view to consolidating or sealing, installing reinforcements or ties for strengthening the ground, earthworks, land clearing, dredging, supervising in the field of construction, rental of construction equipment, construction information, repair information and earth pollution removal work; conducting engineering surveys and drawing up of engineering drawings especially in the field of security, environment, energy and nuclear technology; designing, installing, updating, maintaining, and rental of computer software in the field of construction