Spanish to English Tech/Engineering Engineering (general)

Hi. I would apprecaite your help.

I would like to know the specific term in the context of different design disciplines inengineering.
More context would be :
"Refiere a las diferentes disciplinas de diseño:
General, Procesos, Civil, Mecánica, Electricidad, Instrumentación, Seguridad y Ambiente, Telecomunicaciones, Sistemas supervisorios y de control, Contratación, Gerencia."

Thanks :)