Equiping of soils and foundation
Reinforced concrete and metalic structures
Roofing and watertightness
Variouscarpenters, dividingwall and false ceiling
Mirror trade
Lockcsmithery
Earthcoverings
Painting and wallcoverings
Sanitary – Fittings
Air conditioning and Ventilation, Electricity
Decoration and Furnishing, usually all studies or expertises regarding construction.