06
Building materials of metal; windows of metal; window frames
of metal; refractory construction materials of metal;
non-electric cables and wires of common metal; jalousies of
metal; ironmongery of metal for building; ducts of metal for
ventilating and air-conditioning installations; pipes and
tubes of metal; casement windows of metal; metal hardware;
steel buildings; architectural hardware made of common
metals and alloys thereof
19
Building materials, not of metal; windows, not of metal;
window frames, not of metal; refractory construction
materials, not of metal; jalousies, not of metal; ducts, not
of metal, for ventilating and air-conditioning
installations; rigid pipes, not of metal, for building;
non-metal skylights
37
Demolition of buildings; replacement of windows;
construction; advisory services relating to the installation
of fire prevention equipment; installation of window frames;
installation of apparatus for ventilating; installation of
active fire protection apparatus; installation of passive
fire protection apparatus; building construction
supervision; window repair
42
Technological advice relating to fire prevention
45
Fire prevention consultation
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