37 Construction, namely, building construction and repair, building construction services, construction consultation, construction supervision, erecting of commercial centres, housing areas and manufacturing plants, ship building, construction planning, construction, maintenance and renovation of property, installation of vehicular and pedestrian bridges, construction and construction management of tunnels and underground structures, foundation contractor services, building of canal locks, construction, repair, and maintenance of power plants, construction of infrastructure projects, railways, roads, tunnels, bridges, foundations, harbors, locks and dams, stadiums and airports, gas and oil utility plants, power plants and industrial facilities, retaining walls, excavation pits, dewatering systems, slopes, anchors, ships, educational facilities, hospitals and primary care facilities, correctional facilities, administrative buildings and embassies, and consultations relating thereto, lock repair services, Pile driving services, excavation services, high pressure jet grouting services, mining extraction, repair and maintenance of chemical and petro-chemical, nuclear, and solar based power plants, repair and maintenance of ships, Planning and laying out of production facilities, Consulting services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities, steel structure construction works; repair of construction machines and construction equipment, water vehicles, process technology installations IN THE NATURE OF modern technological apparatuses for building services and environmental technology IN THE NATURE OF steam generators, elevators, teaching equipment and apparatuses, hospital equipment, correctional facilities equipment and apparatuses, manufacturing plant equipment; machinery retrofit and conversion services,; Repair and installation services, namely, the installation of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rainwater, installation of building insulation, installation services of building scaffolds, working and building platforms; providing construction information in relation to buildings, ships, schools, embassies, hospitals, correctional facilities, manufacturing plants, bridges, public utility plants; building construction supervision; building services, namely, the PLANNING AND implementation of construction projects; demolition of buildings; interior and exterior cleaning of buildings; rental of construction equipment; maintenance, repair and cleaning of buildings IN THE NATURE OF caretaking; installation, maintenance and repair of computer hardware; domestic repair and cleaning OF RESIDENTIAL HOUSES IN THE NATURE OF caretaking; vehicle fleet management services, namely, vehicle repair, cleaning and maintenance