11
Flues and installations for conveying exhaust gases; Industrial treatment installations; Heating, ventilating, and air conditioning and purification equipment (ambient); Burners, boilers and heaters; Sanitary installations, water supply and sanitation equipment; Refrigerating and freezing equipment
19
Building and construction materials and elements, not of metal; Doors, gates, windows and window coverings, not of metal
37
HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Building maintenance and repair; Cleaning of furnishings; Cleaning of water supply plumbing; Installation of central vacuum cleaning systems; Installation of water pipes; Application of screeds; Floor layering; Concrete renovation; Land irrigation; Renovation of industrial boilers; Maintenance and repair of gas and electricity installations; Maintenance and repair of flooring; Maintenance and repair of solar thermal installations; Repair and maintenance of building scaffolds, working and building platforms; Maintenance and repair of earth moving machines; Repair or maintenance of building equipment; Repair or maintenance of construction machines and apparatus; Repair or maintenance of industrial furnaces; Repair or maintenance of cooking apparatus and installations; Repair or maintenance of gas water heaters; Repair of bathtubs; Repair of canalization systems; Repair of floor coverings; Repair of compressed air machines; Installation of industrial furnaces; Installation of industrial piping; Erection of formwork for building and construction; Erection of formwork for civil engineering construction; Erection of formwork for restoration and maintenance; Installation of gas and water pipelines; Tile laying, bricklaying or block laying; Fitting of artificial wood flooring; Laying floor tile; Fitting of floor coverings; Erection of reinforced concrete structures utilising sliding and climbing formworks; Erection of scaffolding for building and construction; Erection of scaffolding for civil engineering construction; Installation of plumbing; Installation of plumbing systems; Providing information relating to the repair or maintenance of boilers; Providing information relating to the repair or maintenance of bathtubs; Providing information relating to the repair and maintenance of furnaces; Advisory services relating to the repair of plumbing; Servicing of industrial boilers; Installation of sanitary apparatus; Interior and exterior cleaning of buildings; Painting and decorating of buildings; Painting of buildings; Insulating of external walls; Building construction and repair; Building insulating; House painting; Building sealing; Supervision of building repair; Application of coatings to buildings; Application of coatings for the repair of surfaces of buildings; Resurfacing of facades; Renovation of buildings; Building restoration; Installation of door openers; Providing information relating to the cleaning of building exteriors; Boiler cleaning and repair; Cleansing of baths; Building, construction and demolition; Rental of tools, plant and equipment for construction, demolition, cleaning and maintenance; Concreting; Civil construction services; Civil engineering demolition; Construction of pipelines; Building of hospitals; Building of commercial properties; Erecting of commercial centres; Construction of utility solar installations; Construction of property; Building of shops; Construction of walls; Building construction supervision; Construction consultancy; Coating of concrete; Site preparation [construction]; Providing information relating to building reconstruction; Demolition of buildings; Demolition of structures; Demolition services; Building construction supervision services for building projects; Building construction supervision services for real estate projects; Plastering contractor services; Bricklaying; Earthmoving; Plumbing; Pipe installation services; Plastering