19
Building materials and elements not of metal; non-metallic
transportable buildings; non-metallic prefabricated
building elements; non-metallic materials used in the
construction of civil engineering structures; non-metallic
sections for construction; non-metallic reinforcements for
construction of civil engineering works; non-metallic rigid
pipes for building; non-metallic structures for stabilizing
the earth by mechanical means; retaining walls not of
metal; asphalt, pitch and bitumen; concrete panels;
concrete blocks; blocks, panels, enclosures (walls), tanks
and silos, all entirely not of metal, used in the
construction of civil engineering structures
37
Construction; installation of prefabricated building
elements, building structures and industrial sites;
construction, public works, civil engineering structures,
excavations, drilling of pilots, wells, trenches, walls or
tunnels; construction, repair, maintenance and demolition
of buildings and civil engineering structures; construction,
maintenance and repair of roads, tracks, runways, bridges,
bridge abutments, stabilized land structures, earth
stabilization structures by means of mechanical effect,
earth stabilization devices, embankments, retaining walls,
dikes, tunnels, gutters, enclosures, reservoirs, tanks,
silos and historical monuments; injection of products into
the ground, especially with a view to consolidating or
sealing it; installation of reinforcements or ties for
strengthening the ground; construction and installation of
cladding on building structures and retaining structures;
earthmoving; land clearing; dredging; supervision in the
field of construction; rental of construction equipment;
information with respect to construction; repair
information
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