6
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; pipes and tubes of metal; safes
9
Scientific, surveying, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic, optical and electronic data carriers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; software and software packages; computer programs
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal
37
Construction and repair; installation services; public works; rural works; drilling of wells; rental of tools and construction equipment, rental of bulldozers and tree uprooting equipment; maintenance or cleaning of buildings, premises and property (resurfacing and repointing of façades, disinfecting, rat exterminating)
38
Press and information agencies; communications by and/or between computers and computer terminals; transmission of information on building and public works by data transmission and via the Internet
42
Computer programming; design, development, updating and maintenance of software; design, development, updating and servicing of Internet sites; computer software rental; engineering work; professional consultancy and drafting of plans, non-business; prospecting; material testing; laboratories; leasing access time to a computer database server