6
Building and construction materials and elements of metal; Structures and transportable buildings of metal; Containers, and transportation and packaging articles, of metal; Metal hardware; Unprocessed and semi-processed materials of metal, not specified for use; Doors, gates, windows and window coverings of metal
19
Structures and transportable buildings, not of metal; Building and construction materials and elements, not of metal; Doors, gates, windows and window coverings, not of metal; Wood and artificial wood; Pitch, tar, bitumen and asphalt; Stone, rock, clay and minerals; Spackling compound; Precast pavers
37
Building, construction and demolition; Building maintenance and repair; Plumbing installation, maintenance and repair; Furniture maintenance and repair; Glazing, installation, maintenance and repair of glass, windows and blinds; Interior sealing and caulking services; Installation of interior partitions for buildings; Fitting of floor coverings; Installation of sewer liners; Installation lighting systems; Ceiling installation; Resurfacing of roofs; Roofing installation; Installation of sun roofs; Scaffolding; Damp proofing services; Erection of curtain walling; Installation of roof timbering; Interior refurbishment of buildings; Ceiling lining installation; Installation of rainwater drainage systems; Installation of rainwater collection systems; Installation of rainwater harvesting systems; Installation of rainwater tanks; Installation of fabricated construction units; Installation of solar powered systems; Installation of plumbing systems; Anti-corrosion treatment; Installing siding; Installation of fittings for buildings; Installation of felt roofs; Installation of doors and windows; Erection of pre-fabricated buildings; Mechanic services; Cleansing of mobile structures; Renovation of property; Repairing construction works; Restoration of architectural works; Installing wood flooring; Laying floor tile