Installation, repair, maintenance services as part of the management and maintenance of installations in the nature of electrical systems, mechanical systems, and control systems for use in the fields of electrotechnics, electronics, security technology, telematics, measurement technology, control technology and automation technology; building contractor services; contractor services, namely, review of and remedial recommendations for building electrical and mechanical systems for others; demolition services, namely demolition of buildings; carpentry services; painting and paper hanging services; insulation services, namely installation of building insulation; roofing services; tiling services, namely, tile installation services; upholstering services; building sealing; installation of glass; construction of bridges; road construction; construction of railways; surfacing being laying of foundations; reconditioning, maintenance and repair of lighting apparatus and of industrial and machinery installations; plumbing and installation of gas and water supply apparatus; laying of cables and pipes; cleaning of buildings and chimneys; reconditioning and maintenance of electric appliances and electrical apparatus, implements, precision instruments, vehicles and of mechanical equipment; rental of building machinery and implements; new building development in the nature of building of new houses, renovation and maintenance in house building and in commercial and industrial building; concrete construction and construction of infrastructure in the nature of cable, pipe and telecommunications infrastructure; jacking techniques in the nature of building of tunnels using pipes; foundation and flooring techniques in the nature of laying of building foundations; installation, repair and maintenance of water purifying apparatus and installations; building construction advisory services

Scientific and technological services and research and design relating thereto, namely scientific research; building construction planning being engineering services, amongst others as part of real estate and project development, new building development, renovation projects, high renovation projects and redevelopment projects with respect to real estate and house building projects, particularly relating to construction building, extension, design and redevelopment of real estate, namely, electrical engineering, mechanical engineering, and development of software programs designed for use in construction and building (cad); engineering and architectural services; civil engineering planning services; urban planning and development services; scientific surveys, namely, engineering surveying; research and planning of architectural design, as well as advisory relating thereto; quality checking and quality assurance in construction building and buildings; architectural inspection, namely, home inspections; building inspection in the course of building construction; preparing civil engineering drawings; consultancy and information services in connection with the aforesaid services; water analysis; project and plan development in the nature of construction drafting in house building and in commercial and industrial building, concrete construction, infrastructure, cable, pipe and telecommunications infrastructure, jacking techniques, and foundation and flooring techniques