11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Apparatus and installations for treatment of waste water; Purification installations and purification systems for waste water; Apparatus and installations for filtering and purifying drinking water; Water purification systems for the production of (drinking) water, all aforesaid products being meant for industrial use only
37
Building construction, repair and installation; Contractors; Demolition work; Carpentry; Painting and decorating; Insulating services; Roofing; Tiling; Interior decorating; Damp-proofing in buildings; Glazing; Bridge construction; Road building; Construction of railways; Paving, underpinning; Repair and maintenance of lighting installations and industrial and machine installations; Plumbing and installation of gas and water supply systems; Laying of cables and pipelines; Cleaning of buildings and chimneys; Repair or maintenance of electrical apparatus and installations, tools, precision instruments, vehicles and mechanical apparatus; Work involving explosives; Rental of construction equipment; Project and plan development, new building, renovation and maintenance in residential and utility structures, concrete and hydraulic engineering, infrastructure, cable, pipework and telecommunications infrastructure, fibre technology and foundation and flooring technology; Installation, repair and maintenance of apparatus and installations for purifying water
40
Treatment of materials; Treatment of drinking water, process water and waste water; Purification of water; Information and advisory services relating to all of the aforesaid services
42
Scientific and technological services and research and design relating thereto; Planning (engineering) and consultancy in building and construction, including within the framework of property development and project development, new house-building or house modernisation projects and major renovation and redevelopment projects in relation to real estate and house-building projects, in particular in relation to the construction, extension, fitting-out and redevelopment of property; Engineering and architecture; Technical construction drafting; Urban development planning and development; Conducting of scientific examinations; Building research and design, and consultancy thereon; Quality control and quality assurance in construction and building works; Providing building surveys; Construction monitoring; Construction drafting; Consultancy, information and awareness-raising concerning the aforesaid services; Water analysis