42 years of design offices in Paris, with missions to BanglaDesh, Qatar, Germany and South and North Americas (Argentina, Chile, Bolivia, Ecuador, Guatemala, Mexico, U.S.A.) Several different studies (Electricity, Electrotechnics, Electronics, Instrumentation, Steel Carpentry, Civil-Work for H.V. and V.H.V. Substations, Factories, Tracks of trains, and so on...)(Procedures conception for usage of AutoCad and some specialized works)(English, French and Spanish translator for some works and specifications or orders requisitions)(Mainly in Electrotechnics and Instrumentation)