Chemical compositions which are used as cleaners for railroad cars,

Specialized refractory shapes used in the production of ferrous and non-ferrous metal

Chemical products used in industry and science, for use in the treatment of water in all its states for use in refining of petroleum, for use in mining industry, for use in treating fossil and processed fuels and combustion products thereof; for use in the petroleum industry and chemical additives for petroleum products; for use in the pulp and paper-making industry; for use in the metal making and metal producing industry; specialised coatings used in the production of ferrous and non-ferrous metal; inorganic sols being chemicals for industry; also chemical products used in agriculture and for treating agriculture chemicals; also artificial and synthetic resins, specifically water-soluble polymers; catalysts