Heat exchangers for chemical processing; Heat exchangers not being parts of machines; Heat exchangers, namely, graphite heat exchanger and ceramic heat exchangers; Heat exchangers for industrial process streams; Heat exchangers for harsh and corrosive process streams; Industrial and chemical processing systems comprised of heat exchangers, pumps, valves, corrosion resistant pipe, controls, tanks, and process vessels
Environmental Control ApparatusDesigning of heat exchangers; Designing of industrial process equipment, namely, chemical processing systems; Engineering services in the field of heat and mass transfer, chemical processes, and industrial processes involving harsh and corrosive process streams
Computer and Scientific