Chemicals for use in industry, other than plastics in the form of pastes, dispersions and emulsions for the coating and renovation of surfaces, sealant compounds of plastic for joints; fire extinguishing compositions; coolants; filtering materials [mineral substances]; filtering media [mineral substances].

Machines for construction work and machine tools; motors and engines (except for land vehicles); garbage [waste] disposals.

Insulators and insulation, packing and insulating materials; joint packings; weatherstripping compositions, other than sealant compounds of plastic for joints; mineral fibres (insulating materials); mineral fibres for insulating purposes; mineral wool for use in the manufacture of filter media; filtering materials [semi-processed foams or films of plastic]; foam insulation for use in building and construction; foam for use in sound insulation; foam for use as heat insulation.

Building materials (non-metallic); asphalt; cement; fireproof cement coatings; cement posts; cement slabs; chalk (raw -); chimneys (not of metal); claddings, non-metallic, for buildings; coatings (building materials); concrete; concrete building elements; coverings, not of metal, for building; facings, not of metal, for building; fireclay; building panels, not of metal; partitions, not of metal; refractory construction materials, not of metal; reinforcing materials, not of metal, for building; roads (materials for making and coating -); roofing shingles; shuttering, not of metal, for concrete; wall linings not of metal; minerals for use in construction; expanded plastics for use in construction.

Building construction; rental of construction equipment; maintenance and repair of construction machines; installation of sealing and insulating materials. impregnation of existing buildings against moisture.

Treatment of building materials; textile fireproofing; galvanizing; grinding; incineration of waste and trash; laminating; material treatment information; recycling of waste and trash.

Scientific and technological services and research and design relating thereto; industrial analysis and research services; preparation of data processing programmes; engineering research and drawing; design and development of products and design of computer programs, computer hardware and software; quality control; technical engineering; engineering project management services; structural and civil engineering.