Chemical substances, chemical materials and chemical preparations, and natural elements for use in the construction industry, namely, additives for use in the manufacture of fireproof construction materials and heat-insulating materials, and refractory sand for use in metallurgical processes, in inorganic melt processes, in heat-treatment processes, and as construction materials; binder materials, namely, chemical additives for use as binding agent additives in fireproof building construction materials and heat-insulating building materials; agglutinants for concrete; foundry sand

Industrial treatment installations, namely, furnaces for heat treating and production of inorganic melts; ovens and furnaces for industrial purposes, not for food or beverages; furnaces for melting metals

Pitch, tar, bitumen and asphalt; spackling compound; refractory construction materials, not of metal; concrete; natural stones; mixtures being mixes of concrete, gunning, ceramic, glass, plastic, and stone for admixture to fireproof construction building materials and heat-insulating building materials, not of metal; concrete, cement coatings, and stone mixes, namely, mixtures for admixture to concrete, cement coatings and stone; liquid mixtures for admixture to fireproof construction building materials and heat-insulating building materials, not of metal; concrete, cement coatings, and stone mixes, namely, liquid mixtures being water-based mixes of concrete, gunning, ceramic, glass, plastic, and stone for admixture to concrete, cement coatings and stone; refractory furnace linings of non-metallic materials; ceramic compounds being building materials, namely, ceramic bricks for use in refractory furnaces, ceramic shapes for use in refractory furnaces, fired refractory materials not of metal, and refractory castable mixes not of metal; non-metallic prefabricated building components, namely, structural elements of furnaces for heat treating and production of inorganic melts; sand

Building and demolition services in the nature of constructing and demolishing furnaces for heat treating and production of inorganic melts; installation, cleaning, repair and maintenance of industrial processing installations, namely, of industrial ovens and furnaces for heat treating and production of inorganic melts, and installation, cleaning, repair and maintenance of industrial ovens and furnaces that are not for food and beverages; application of building materials being protective coatings, repair linings, and complete linings to internal furnace walls; extraction of natural resources , namely, minerals and rock; mining extraction

Scientific and technological services, namely, analysis and testing of industrial processing installations in the field of heat treating and in the field of production of inorganic melts; testing of building materials and construction elements in the field of heat treating and in the field of production of inorganic melts; engineering services; engineering consultancy in connection with the use and properties of building materials; quality control for others in the field of heat treating and in the field of production of inorganic melts