EGT

gas turbines, steams turbines, internal combustion engines, turbomachinery not for land vehicles, and parts therefor

electronic apparatus for controlling, monitoring and regulating gas turbines, internal combustion engines, turbomachinery, electric power stations; namely, computers, microprocessors, visual display units, speed governors, temperature monitors, vibration monitors and parts therefor

maintenance and repair of gas turbines, steam turbines, internal combustion engines, turbomachinery and parts therefor