Materials (steel, aluminium, etc.) for metal designs -Rolling and bent structures of designs, floorings -Fixing elements of designs -Aluminium designs of building purpose -Designing, manufacturing, erection of metal designs -the Equipment for metal working - Front systems and roofing systems -Manufacture of sandwich-panels -Protection against corrosion, fire-proofing of metal constructions - Systems of the automated designing (§³§¡§±§²) in construction and architecture - Art architecture