Industry Section F includes eight industry groups covering the activities of general construction. This involves the construction of entire dwellings, office buildings, stores, and other public and utility buildings, farm buildings, etc.; the construction of civil engineering works such as motorways, streets, bridges, tunnels, railways, airfields, harbours, and other water projects, irrigation systems, industrial facilities, pipelines, and electric lines, sports facilities, etc.; and specialized construction activities for buildings, and civil engineering works. It also covers new work, repair, additions, and alterations, the erection of prefabricated buildings or structures on the site and construction of a temporary nature.