37 Renovation of buildings; renovation and restoration of buildings; advisory services relating to the maintenance, repair and renovation of buildings and other structures; installation of utilities in construction sites; general building contractor services; building construction supervision services for real estate projects; building construction supervision services for building projects; building construction supervision services relating to shopping centers, industrial complexes, office buildings, residential buildings and other real estate developments; cleaning of buildings, industrial sites and building sites; construction consultancy; underwater building and construction, consultancy relating to residential and building construction; repair of construction and agricultural machinery; consultancy and information services relating to construction; mechanical lifting services for the construction industry; provision of construction information by electronic means; construction; construction of building interiors; civil engineering construction; public works construction; construction and repair of buildings; construction, repair and maintenance of buildings; construction and maintenance of building complexes, residential buildings, housing estates, commercial buildings, shopping centers, office buildings and parking structures