General civil and utility constructionGeneral civil and utility construction This class includes: - (partial) construction, renovation or maintenance of homes and other buildings; - construction of complete airports, sports facilities, etc., including the buildings; - assembly of constructions of non-self-prefabricated wooden building elements; - on-site production of concrete building elements; - assembly of constructions of non self-manufactured concrete building elements; - greenhouse construction, construction of halls, sheds, etc.; - handyman companies.