37 Construction, repair, maintenance and demolition of buildings and civil engineering structures and infrastructures, namely roads, rails, bridges, dams, power stations, airports, waterways, and utility lines of others for electrical, gas, telecommunications, water and sewerage service; building construction and repair; cleaning of clothing, bed clothing, soft furnishing, furniture, buildings and vehicles; providing washing and drying laundry facilities; self service laundry; laundry services for clothing, bed clothing, soft furnishings and furnishings and furniture; rental of building equipment, rental of earth moving equipment and excavators; rental of construction equipment, industrial machinery, office equipment, and industrial equipment; repair and maintenance of land vehicles