6
Common metals and their alloys; metal building materials; prefabricated building components of metal; anchorage components, sheaths, cables and wires of metal, multi-strand cables, cables and bars of metal for pre-stressing and/or suspension of construction works; cables, stay cables, shuttering, moulds; assembly of metal supporting elements used to link sections of works, facilitating mutual slow displacement and/or cushioning of violent displacement; sliding and rotating supports of metal or principally of metal, for civil engineering structures and buildings; metal buildings and components therefor, supports of metal or principally of metal for main pipelines; supporting apparatus of metal used for the construction of civil engineering structures; building materials of metal, water-pipes of metal, metal hoses; chimneys of metal; metal apparatus for horizontally linking safety rails or similar parts; metal force transmission apparatus for civil engineering structures
7
Handling pumps, jacks and machinery; machines for making casings; apparatus for mechanical tensioning achieved by pulling the prestressing bar
37
Installation, maintenance and repair of the aforesaid apparatus for measuring; repair, maintenance and servicing of building structures and civil engineering structures, in particular using shotcrete, injection of cracks, additional prestressing, filling; repair and strengthening of civil engineering structures and buildings; construction of support walls, abutments of civil engineering structures, embankments, embankment slopes, quays, barriers and barrages, pillars of reinforced earth using strips of synthetic materials; proactive maintenance, namely the detection of a pathology from its premisses, facilitating the prevention of any further development of the pathology; repair and maintenance of works, repair and maintenance of works by shotcrete, injection of cracks, additional prestressing, filling, carbon fibres, works instrumentation; construction of support walls, abutments of civil engineering structures, embankments, embankment slopes, quays, barriers and barrages, pillars of reinforced earth using strips of synthetic material; building construction; installation of multi-strand cables and mechanical tensioning of multi-strand cables; waterproofing, painting, resurfacing and reinforcement of structures in the field of buildings and public works principally by exterior prestressing using shotcrete and resins, by injection into cracks and by filling; construction, repair and strengthening of civil engineering structures and buildings; rental of construction equipment