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Chemicals for use in industry; chemical compounds for use in construction; agglutinants for building materials; agglutinants for concrete; clay sand; foundry sand.Industrial treatment installations; industrial ovens and furnaces (not for food or beverages); furnaces for melting metals.Stone, rock, clay and minerals; pitch, tar, bitumen and asphalt; spackling compounds; building and construction materials and elements, not of metal; refractory building materials, not of metal; concrete; cement facing; stones; mixes for mixing non-metallic building materials; liquid mixes for mixing concrete, cement facing and stones; liquid mixes for mixing non-metallic building materials; furnace linings, not of metal; refractory ceramic masses; ceramic refractory masses for lining metallurgical furnaces; prefabricated non- metallic building components; sand.Building, construction and demolition; installation, cleaning, repair and maintenance of industrial processing plants and of industrial furnaces and ovens [not for food and beverages]; applying building materials to the interior walls of ovens; extraction of natural resources; mining extraction; open-cast mining.Transport; transportation and delivery of goods; supply of building materials; supply of building materials made of mixtures for mixing building materials.Publishing, reporting, and writing of texts; preparation, implementation and organisation of trainings, conferences, congresses, workshops, trainings; education, entertainment and sport services.Scientific and technology services; testing of industrial treatment installations; testing of building materials and components; engineering services; engineering advice related to the use and properties of building materials; authentication and quality control.