35 Personnel placement services and personnel management consultancy;personnel placement, among other of cleaning, storage and repackaging specialists;advertising and dissemination of advertising matter;preparation of statistics; organisation of trade fairs and exhibitions for commercial or advertising purposes.
37 Installation, maintenance and repair of heating, ventilating, refrigerating and sanitary installations, and of industrial and mechanical installations;plumbing and installation of gas and water supply installations;installation and maintenance of cables and pipelines;cleaning of buildings, of chimneys and vehicles;high-pressure cleaning;emptying, cleaning and filling of tankers of all kinds, for sweeping, suction, pressing and cleaning;chemical cleaning;repair or maintenance of electrical apparatus and installations, tools, precision instruments, means of transport and mechanical tooling;shipbuilding and ship maintenance;work with explosives such as the demolition of buildings using explosives;rental of machines and tools for construction;protection of buildings.
39 Vehicle-towing services; transport of passengers and goods;loading and unloading of ships;refloating of ships and cargoes;transport of luggage;storage of goods and furniture;transport and distribution of electricity, gas, heat and water;transportation of gases, liquids and solids, including by pipeline;collection of dangerous goods and waste;transportation of containers;rental of means of transport, containers, garages and car parks; packaging of goods.
40 Treatment, tempering and finishing of metal surfaces;cold-cutting of concrete and metals;manufacturing and processing of materials for building construction, shipbuilding, conveyance and warehousing.
42 Planning and consultancy in relation to building construction;services of architects, chemists, physicists, engineers, opticians and surveyors;bacteriological and chemical laboratories;surveying by engineers or laboratory assistants;technical opinions, in particular within the framework of cleaning problems;operation of treatment plants and consultancy relating thereto;study of materials.