1
Chemical substances, chemical materials and chemical preparations, and natural elements; Chemical compositions for use in construction; binder materials for building materials; Agglutinants for concrete; Luting sand; Foundry sand
6
Building and construction materials and elements of metal; Refractory construction materials of metal
11
Industrial treatment installations; Industrial ovens and furnaces (not for food or beverages); Furnaces for melting metals
19
Stone, rock, clay and minerals; Pitch, tar, bitumen and asphalt; Spackling compound; Building and construction materials and elements, not of metal; Refractory construction materials, not of metal; Concrete; Cement coatings; Stones; Mixtures for admixture to building materials, not of metal; Mixtures for admixture to concrete, cement coatings and stone; Liquid mixtures for admixture to building materials, not of metal; Liquid mixtures for admixture to concrete, cement coatings and stone; Furnace linings of non-metallic materials; Ceramic compounds; Ceramic compounds for lining metallurgical furnaces; Prefabricated building components (Non-metallic -); Sand
37
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
39
Transport; Transportation and delivery of goods; Delivery of building materials; Delivery of building materials made from mixtures for admixture to building materials
41
Publishing, reporting, and writing of texts; Preparation, arranging and conducting of training courses, conferences, congresses, workshops and training; Training, education, entertainment and sporting activities
42
Science and technology 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 qualitycontrol