Non-metallic construction materials, materials and products for construction, maintenance, repair and renovation of buildings, engineering works and of all public works; monuments not of metal; cements, concretes and all goods based on cement and concrete; ready-mixed concretes; special concretes; fiber-reinforced concretes.

Metal construction materials, (transportable or not), metal building elements, girders of metal, small hardware of metal, ironmongery (for tools and for building); metal building fixing elements, non electric cables of metal, wires of common metal, metal building fibers, metal building fibers for reinforcing building materials

Non-metal construction materials, materials and products for the construction, maintenance, restoration and remodeling of buildings, constructive works and all public works; transportable non-metal constructions; non-metal monuments, cement, concrete and all cement and concrete based products, ready-made concrete, special concrete, fiber-reinforced concrete

Aluminium and aluminium alloys

Electrical conductors, electric cables and electric conductor rails, all of aluminium or of aluminium alloys