Building materials including small parts mainly of metal, namely, soffits, bolts, nails, rivets, screws; transportable buildings mainly of metal; floorings, wall tiles, coverings for ceilings and window casement boxes and chimney shafts all mainly of metal; pre-fabricated and finished parts of buildings that are mainly of metal, namely, soffits, curtain walls, wall panels; doors and inspection flaps as parts of doors that are all mainly of metal; prefabricated cabins for installation in ships and offshore oil platforms mainly of metal

Building materials mainly not of metal, namely, semi-worked woods, pre-cast concrete wall forms; transportable buildings not of metal; floorings, wall tiles, ceilings panels, coverings for ceilings, window casement boxes and chimney shafts that are mainly not of metal; pre-fabricated and finished parts of buildings that are mainly not of metal, namely, soffits, curtain walls, wall panels; doors and inspection flaps as parts of doors that are all mainly non-metal; prefabricated cabins for installation in ships and offshore oil platforms mainly not of metal

Assembly work in the nature of construction of buildings, maintenance and repair work in building construction, in industrial construction, in plant construction, in shipbuilding, in construction of offshore oil platforms, in pipeline construction, in steel construction and in container construction and in electrical engineering in the nature of electrical system installation; building construction services in measurement technique, in the fields of insulation for heat, insulation for cold, sound insulation, fire protection requirements related to fire alarm installation and protection against electromagnetic radiation in the nature of radiation source disposal services; interior construction of buildings, of ships and of offshore oil platforms

Technical consulting in the field of environmental engineering, technical planning and development services, namely, product development and engineering services for others and technical project management for engineering services related to the organization and implementation of repair and maintenance work in the fields of building constructions, of industrial construction, of plant construction, of shipbuilding, of construction of offshore oil platforms, of pipeline construction, of steel construction and of container construction and of electrical engineering, of measurement technique, of insulation for heat, of insulation for cold, sound insulation, fire protection requirements and of protection against electromagnetic radiation, interior construction of buildings, of ships and of offshore oil platforms