Acid-proof brick; Mortar powder and solution in the nature of mortar mix; three-part bricklaying acid and alkaline resistant mortar comprised of resin, hardener, and powder for constructing industrial process vessels; Chemical resistant stoneware for use in industrial chemical processing plants, namely, pipe, liquid distributors, packing supports, hold down plates and redistributors, all of the foregoing made of ceramic and porcelain; ceramic sump reservoirs for receiving corrosive liquids; acid-resistant resin mortar for use in the construction of vessels, tanks, and other structures; acid-resistant silicate-based mortar for use in the construction of vessels, tanks, and other structures; Packing material in the form of random packing made of ceramic material for use in columns or towers during mass transfer of chemicals or other liquids and in heat sinks; Packing material in the form of structured packing made of ceramic material for use in columns or towers during chemical or physical processes; Packing material in the form of thermoplastic corrosion resisting resins for lining vessels, tanks, or other structures used in chemical industries; Packing material in the form of chemical resistant stoneware for use in industrial chemical processing plants, namely, dumped packings; Construction and installation services in the field of corrosion protection, mass transfer, and heat transfer equipment; "MATERIAL TECHNOLOGIES"; Engineering services in the field of corrosion protection, mass transfer, and heat transfer equipment
