Heating and air-conditioning installations Air treatment installations General plumbing installations Sanitary and taps/fittings installations Fire protection system Wet/Dry sprinkler installations and extinguishers Low-High steam pressure installations Thermal centres and prefabricated containers with a sub-station Water/Air purifiers and pipes Thermal solar panel installations Aqueducts, gas ducts and central pressure stations Installations supplying and distributing methane gas [...]
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