40
Treatment of materials, namely processing of workpieces, production of profiles, production of split strips, cutting of sheets and plates of metal, boards or trapezoids, material hardening and surface finishing, in particular by means of hot-dip galvanising, hot-dip aluminising, electrolytic galvanising or organic coating; Treatment of waste, waste water and pollutants, recycling of waste, waste water, scrap and trash
42
Architectural services for goods of steel and the construction of installations for the production of steel; Services in the field of construction engineering for goods of steel and the construction of installations for the production of steel; Mining engineering services; Chemistry services for goods of steel and the production of steel; Design and development of computer hardware and computer software for controlling installations for the production of steel; Engineering for goods of steel and installations for the production of steel; Research and consultancy in the field of physics for goods of steel and the production of steel; Construction planning for goods of steel and the construction of installations for the production of steel; Technical drawing services for goods of steel and the construction of installations for the production of steel; Measuring services for goods of steel and the construction of installations for the production of steel; Research services for the production of steel and goods of steel; Remediation, namely design of remedial treatment to remedy properties after steel production