6 PIPEWORK OF METAL, NAMELY METAL FLOW AND EXHAUST DUCTS FOR GASTURBINES, COMBINED CYCLE PLANS AND TURBOCHARGERS, METAL EXHAUST DUCTS IN AIRHANDLING SYSTEMS AND FURNACES
7 FLOW CONVERTING MACHINES FOR EXHAUST DUCTS OF GAS TURBINES, COMBINED CYCLE PLANS, AND TURBOCHARGERS AS WELL AS FOR EXHAUST DUCTS IN AIRHANDLING SYSTEMS AND FURNACES, TURBOCHARGERS; ENGINES NOT FOR LAND VEHICLES
9 COMPUTER SOFTWARE PROGRAMS FOR USE AS A SPREADSHEET IN THE FIELD OF AERODYNAMIC; COMPUTER HARDWARE
42 ENGINEERING AND TECHNICAL AS WELL AS DESIGN CONSULTATION ASSOCIATED THEREWITH; PHYSICS RESEARCH; SCIENTIFIC RESEARCH; CONSTRUCTION DRAFTING; CONDUCTING TECHNICAL PROJECT STUDIES FOR OTHERS IN THE FIELD OF DESIGN AND ENGINEERING