ekw

Chemical substances, chemical materials and chemical preparations, and natural elements, included in this class, for use in the construction industry; chemical compositions for use in construction; binder materials for use as additives for building materials; agglutinants for concrete; luting sand for use in foundries and hot metals; foundry sand. Industrial treatment installations; industrial ovens and furnaces (not for food or beverages); furnaces for melting metals. prefabricated building components (non-metallic -) Building, construction and demolition; installation, cleaning, repair and maintenance of industrial processing installations and industrial ovens and furnaces (not for food and beverages); application of building materials to internal furnace walls; extraction of natural resources; mining extraction; open-cast mining. Scientific and technological services; testing of industrial processing installations; testing of building materials and construction elements; engineering services; engineering consultancy in connection with the use and properties of building materials; authentication and quality control.