35
Commercial trading and consumer information services; Business assistance, management and administrative services; Business analysis, research and information services; All the aforesaid services solely for activities carried out in the field of the auxiliary industries of machining, carving, additive manufacturing, grinding, lapping, trepanning, welding, painting, laser cutting, electric discharge machining, water cutting, oxy-fuel cutting, blacksmithing, folding, stamping, lamination, founding, heat treatment, surface treatment, assembly of mechanical units of parts transformed by means of the aforesaid processes, not including the telecommunications sector
40
Machining, soldering, treatment of surfaces of metal by precision grinding and abrasion polishing; Processing of metal surfaces using precision grinding techniques; Lapping, Treatment of materials of metal
42
Science and technology services; Design services; Testing, authentication and quality control; IT services; All the aforesaid services solely for activities carried out in the field of the auxiliary industries of machining, carving, additive manufacturing, grinding, lapping, trepanning, welding, painting, laser cutting, electric discharge machining, water cutting, oxy-fuel cutting, blacksmithing, folding, stamping, lamination, founding, heat treatment, surface treatment, assembly of mechanical units of parts transformed by means of the aforesaid processes, not including the telecommunications sector